:root {
  --accent: #ff0033;
  --bg: #000;
  --text: #fff;
  --text-secondary: #999;
  --border: #222;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  padding-top: 80px;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 0, 51, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 0, 51, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 0, 51, 0.05) 0%, transparent 70%);
  animation: gradientMove 15s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes gradientMove {
  0%, 100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1) rotate(5deg);
  }
}

/* Decorative Elements */
.hero-decoration {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 0, 51, 0.1) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

.circle-1 {
  width: 400px;
  height: 400px;
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.circle-2 {
  width: 300px;
  height: 300px;
  top: 60%;
  right: 10%;
  animation-delay: 7s;
}

.circle-3 {
  width: 250px;
  height: 250px;
  bottom: 10%;
  left: 50%;
  animation-delay: 14s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0.3;
  }
  25% {
    transform: translateY(-30px) translateX(20px);
    opacity: 0.5;
  }
  50% {
    transform: translateY(-50px) translateX(-20px);
    opacity: 0.3;
  }
  75% {
    transform: translateY(-30px) translateX(10px);
    opacity: 0.4;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  transition: all 0.3s ease;
  cursor: pointer;
}

.logo:hover {
  color: var(--accent);
  transform: scale(1.05);
}

.main-nav {
  display: flex;
  gap: 2rem;
}

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
  padding-bottom: 5px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: var(--text);
}

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

/* Active state for touch devices */
.main-nav a:active {
  color: var(--text);
}

.main-nav a:active::after {
  width: 100%;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content {
  width: 100%;
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  text-shadow: 0 0 40px rgba(255, 0, 51, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.5;
}

.download-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  justify-content: center;
}

/* Primary Button - Red accent */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.25rem 2.5rem;
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(255, 0, 51, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255, 0, 51, 0.6);
  background: #ff1a4d;
}

.btn-primary:active {
  transform: translateY(-1px);
}

/* Secondary Button - Gray/transparent */
.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.25rem 2.5rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

.btn-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Old button styles - kept for compatibility */
.btn-download {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: not-allowed;
  opacity: 0.5;
  transition: transform 0.2s, box-shadow 0.3s;
  text-decoration: none;
}

.btn-download:not(:disabled):hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-web-active {
  background: var(--accent);
  color: var(--text);
  cursor: pointer;
  opacity: 1;
  animation: pulse 2s infinite;
  box-shadow: 0 0 20px rgba(255, 0, 51, 0.4);
}

.btn-web-active:hover {
  background: var(--accent);
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 15px 40px rgba(255, 0, 51, 0.6);
}

.btn-icon {
  width: 24px;
  height: 24px;
}

.beta-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
}



/* Features Section */
.features-section {
  padding: 4rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.feature-block {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 3rem;
  animation: slideInLeft 0.6s ease-out;
}

.feature-block:nth-child(odd) {
  justify-content: flex-start;
  padding-left: 0;
  padding-right: 20%;
}

.feature-block:nth-child(even) {
  justify-content: flex-end;
  padding-left: 20%;
  padding-right: 0;
  flex-direction: row-reverse;
  animation: slideInRight 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-80px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(80px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.feature-icon {
  width: 80px;
  height: 80px;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 0, 51, 0.2) 0%, rgba(255, 0, 51, 0.08) 100%);
  border-radius: 24px;
  border: 2px solid rgba(255, 0, 51, 0.4);
  color: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 8px 25px rgba(255, 0, 51, 0.25);
}

/* Hover effects only for devices with mouse/pointer */
@media (hover: hover) and (pointer: fine) {
  .feature-icon {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    transform: scale(1) rotate(0deg);
  }

  .feature-block:hover .feature-icon {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 12px 40px rgba(255, 0, 51, 0.5);
    border-color: rgba(255, 0, 51, 0.6);
    background: linear-gradient(135deg, rgba(255, 0, 51, 0.3) 0%, rgba(255, 0, 51, 0.15) 100%);
  }

  .feature-content:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 0, 51, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 0, 51, 0.1);
  }
}

.feature-icon svg {
  width: 44px;
  height: 44px;
}

.feature-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 2rem 2.25rem;
  backdrop-filter: blur(10px);
  flex: 1;
  max-width: 650px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.feature-block:nth-child(odd) .feature-content {
  border-radius: 8px 24px 24px 24px;
  margin-left: 0;
}

.feature-block:nth-child(even) .feature-content {
  border-radius: 24px 8px 24px 24px;
  margin-right: 0;
}

.feature-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

/* Download Section */
.download-section {
  padding: 6rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}

.download-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  position: relative;
}

.download-section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent);
  animation: expandWidth 0.8s ease forwards;
  animation-delay: 0.5s;
}

@keyframes expandWidth {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}

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

@keyframes slideUp {
  from {
    transform: translateY(20px);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(255, 0, 51, 0.1);
  }
  50% {
    box-shadow: 0 0 40px rgba(255, 0, 51, 0.3);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

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

.platform-card {
  background: #111;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.platform-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 15px 40px rgba(255, 0, 51, 0.2);
  animation: glow 2s ease-in-out infinite;
}

.platform-card:hover .platform-icon {
  transform: scale(1.15) rotate(5deg);
  color: var(--accent);
}

.platform-icon {
  width: 64px;
  height: 64px;
  color: var(--text);
  margin: 0 auto 1rem;
  transition: transform 0.4s ease, color 0.4s ease;
}

.platform-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 10px rgba(255, 0, 51, 0));
  transition: filter 0.4s ease;
}

.platform-card:hover .platform-icon svg {
  filter: drop-shadow(0 0 20px rgba(255, 0, 51, 0.5));
}

.platform-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.platform-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.platform-size {
  color: #666 !important;
  font-size: 0.85rem !important;
  margin-bottom: 1.5rem !important;
}

.platform-card button {
  width: 100%;
  padding: 0.75rem;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: not-allowed;
  opacity: 0.5;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
  text-align: center;
}

.platform-card:hover button {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

.platform-btn-active {
  width: 100%;
  padding: 0.75rem;
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  opacity: 1;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
  text-align: center;
}

.platform-btn-active:hover {
  background: #ff3366;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 51, 0.4);
}

.release-note {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 2rem;
}

/* Benefits Section */
.benefits-section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.benefits-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
  letter-spacing: -0.01em;
  position: relative;
}

.benefits-section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

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

.benefit-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
}

.benefit-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255, 0, 51, 0.15) 0%, rgba(255, 0, 51, 0.05) 100%);
  border-radius: 16px;
  border: 2px solid rgba(255, 0, 51, 0.3);
  color: var(--accent);
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
}

.benefit-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

/* Hover effects only for devices with mouse/pointer */
@media (hover: hover) and (pointer: fine) {
  .benefit-card {
    transition: all 0.3s ease;
  }

  .benefit-card::before {
    transition: transform 0.3s ease;
  }

  .benefit-card:hover::before {
    transform: scaleX(1);
  }

  .benefit-icon {
    transition: all 0.3s ease;
  }

  .benefit-card:hover .benefit-icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 8px 25px rgba(255, 0, 51, 0.3);
    border-color: rgba(255, 0, 51, 0.5);
  }

  .benefit-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 0, 51, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  }

  .benefit-card h3 {
    transition: color 0.3s ease;
  }

  .benefit-card:hover h3 {
    color: var(--accent);
  }
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.benefit-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  text-align: center;
  letter-spacing: -0.01em;
  position: relative;
}

.faq-section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent);
  animation: expandWidth 0.8s ease forwards;
  animation-delay: 0.5s;
}

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

.faq-item {
  background: #111;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--accent);
  transform: translateX(5px);
  box-shadow: -5px 0 20px rgba(255, 0, 51, 0.15);
}

.faq-item summary {
  font-size: 1.1rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.8rem;
  color: var(--accent);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
  color: #ff3366;
}

.faq-item p {
  margin-top: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-right: 2rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.faq-item[open] p {
  max-height: 500px;
  opacity: 1;
  margin-top: 1rem;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo {
  font-weight: 600;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
  padding-bottom: 3px;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.footer-links a:hover {
  color: var(--text);
  transform: translateX(3px);
}

.footer-links a:hover::after {
  width: 100%;
}

/* Responsive - Mobile First */

/* Small phones (up to 480px) */
@media (max-width: 480px) {
  .hero {
    padding: 8rem 1.5rem 3rem;
  }

  .hero h1 {
    font-size: 1.75rem;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .download-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 1.125rem 2rem;
    font-size: 1rem;
  }

  .btn-download {
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
    width: 100%;
    justify-content: center;
  }

  .btn-icon {
    width: 20px;
    height: 20px;
  }

  .site-header {
    padding: 1rem 1.5rem;
    flex-direction: row;
    gap: 0;
    justify-content: space-between;
  }

  .logo {
    font-size: 1.4rem;
  }

  .main-nav {
    gap: 1.25rem;
    flex-direction: row;
  }

  .main-nav a {
    font-size: 0.85rem;
  }

  .features-section {
    padding: 2rem 1rem;
  }

  .feature-block {
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center;
    margin-bottom: 2.5rem;
    padding-left: 0 !important;
    padding-right: 0 !important;
    gap: 1rem;
  }

  .feature-icon {
    width: 64px !important;
    height: 64px !important;
    min-width: 64px !important;
    margin: 0 auto;
  }

  .feature-icon svg {
    width: 32px !important;
    height: 32px !important;
  }

  .feature-content {
    max-width: 100% !important;
    width: 100%;
    border-radius: 20px !important;
    padding: 1.5rem !important;
    margin: 0 !important;
  }

  .feature-block h2 {
    font-size: 1.25rem !important;
    margin-bottom: 0.75rem;
  }

  .feature-block p {
    font-size: 0.925rem !important;
    line-height: 1.6;
  }

  .benefits-section {
    padding: 2rem 1.5rem;
  }

  .benefits-section h2 {
    font-size: 1.75rem;
  }

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

  .benefit-card {
    padding: 1.5rem;
  }

  .benefit-icon {
    width: 48px;
    height: 48px;
  }

  .benefit-icon svg {
    width: 24px;
    height: 24px;
  }

  .benefit-card h3 {
    font-size: 1.1rem;
  }

  .benefit-card p {
    font-size: 0.875rem;
  }

  .download-section,
  .benefits-section,
  .faq-section {
    padding: 3rem 1rem;
  }

  .download-section h2,
  .benefits-section h2,
  .faq-section h2 {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

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

  .platform-card {
    padding: 1.5rem;
  }

  .platform-icon {
    width: 48px;
    height: 48px;
  }

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

  .benefit-card {
    padding: 1.5rem;
  }

  .benefit-icon {
    width: 40px;
    height: 40px;
  }

  .faq-item {
    padding: 1.25rem;
  }

  .faq-item summary {
    font-size: 1rem;
  }

  .faq-item summary::after {
    font-size: 1.5rem;
  }

  .site-header {
    padding: 0.875rem 1rem;
  }

  .main-nav a {
    font-size: 0.85rem;
  }

  .footer-content {
    padding: 0 1rem;
  }

  .footer-links {
    gap: 0.75rem;
  }

  .footer-links a {
    font-size: 0.85rem;
  }
}

/* Tablet Portrait (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .btn-download {
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
  }

  .features-section {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem;
    gap: 3rem;
  }

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

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

/* Tablet Landscape (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .download-buttons {
    justify-content: center;
  }

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

  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Desktop (1025px+) */
@media (min-width: 1025px) {
  .hero {
    padding: 8rem 4rem 4rem;
  }

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

  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
  .hero h1 {
    font-size: 4.5rem;
  }

  .hero-subtitle {
    font-size: 1.35rem;
  }

  .features-section,
  .download-section,
  .benefits-section,
  .faq-section {
    padding: 7rem 3rem;
  }

  .feature-block h2,
  .download-section h2,
  .benefits-section h2,
  .faq-section h2 {
    font-size: 2.75rem;
  }
}