/* Modern CSS Reset & Base Styles */
@font-face { 
  font-family: ui-sans; 
  src: local("Segoe UI"), local("Inter"), local("Roboto"); 
}

:root {
  --bg: #0a0b0e;
  --fg: #e7e8ea;
  --muted: #b7bcc4;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --card: #12141a;
  --border: #1e2230;
  --glass: rgba(10, 11, 14, 0.85);
  --transition: all 0.3s ease;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  --spacing: 80px;
}

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

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100%;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loader {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(124, 92, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--accent);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-screen p {
  color: var(--muted);
  font-size: 1.1rem;
  margin-top: 15px;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 5%;
  background: var(--glass);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.site-header.scrolled {
  padding: 10px 5%;
  background: rgba(10, 11, 14, 0.95);
  border-bottom: 1px solid rgba(124, 92, 255, 0.1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 101;
}

.logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(124, 92, 255, 0.6));
  transition: var(--transition);
}

.title {
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 1.4rem;
  background: linear-gradient(90deg, #fff, #d8d9df);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav ul {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--fg);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
  opacity: 0.9;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  opacity: 1;
  color: white;
}

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

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent), #5a3aff);
  color: white;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.25);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.download-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(135deg, #5a3aff, var(--accent));
  transition: width 0.3s ease;
  z-index: -1;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(124, 92, 255, 0.35);
}

.download-btn:hover::before {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 20px 60px;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 80%;
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 2;
  opacity: 0.95;
  transition: var(--transition);
}

.hero-image:hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.02);
}

.media-wrap {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: -1;
}

.bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  opacity: 0.5;
  z-index: 1;
}

.bg-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
  z-index: 0;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(60% 60% at 50% 40%, rgba(0, 0, 0, 0) 0%, rgba(10, 11, 14, 0.7) 70%, rgba(10, 11, 14, 0.95) 100%);
  z-index: 2;
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  margin: 0 0 20px;
  line-height: 1.1;
  background: linear-gradient(90deg, #fff, #d8d9df 45%, #7c8aa6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero p {
  margin: 0 auto 30px;
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.7;
  opacity: 0.9;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent-2), #00a6cc);
  color: #03141c;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(135deg, #00a6cc, var(--accent-2));
  transition: width 0.3s ease;
  z-index: -1;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
}

.cta:hover::before {
  width: 100%;
}

.cta i {
  font-size: 1.2em;
}

/* Section Titles */
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
  background: linear-gradient(90deg, #fff, #d8d9df);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 3px;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features {
  padding: var(--spacing) 0;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 92, 255, 0.1), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 35px 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: var(--transition);
}

.feature::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.05), rgba(0, 212, 255, 0.03));
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  border-color: rgba(124, 92, 255, 0.2);
}

.feature:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.1), rgba(0, 212, 255, 0.1));
  border-radius: 50%;
  margin-bottom: 20px;
  font-size: 28px;
  color: var(--accent);
  transition: var(--transition);
}

.feature:hover .feature-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  transform: scale(1.1);
}

.feature h3 {
  margin: 0 0 15px;
  font-size: 1.4rem;
  background: linear-gradient(90deg, #fff, #d8d9df);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.9;
}

/* Gallery Section */
.gallery-section {
  padding: var(--spacing) 0;
  background-color: rgba(10, 11, 14, 0.5);
  position: relative;
  overflow: hidden;
}

.gallery-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  aspect-ratio: 16/9;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-caption {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  transform: translateY(20px);
  transition: var(--transition);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing) 0;
  background: var(--bg);
  position: relative;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124, 92, 255, 0.1), transparent);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.testimonial {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.testimonial::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 6rem;
  color: rgba(124, 92, 255, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
  z-index: 0;
}

.testimonial-content {
  position: relative;
  z-index: 1;
}

.testimonial p {
  font-style: italic;
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.7;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--accent);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--border);
  overflow: hidden;
}

.author-info h4 {
  margin: 0 0 4px;
  font-size: 1.1rem;
  color: white;
}

.author-info span {
  font-size: 0.9rem;
  color: var(--muted);
}

/* Newsletter Section */
.newsletter {
  padding: 60px 0;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.05), rgba(0, 212, 255, 0.03));
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter h3 {
  font-size: 1.8rem;
  margin: 0 0 15px;
  background: linear-gradient(90deg, #fff, #d8d9df);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.newsletter p {
  color: var(--muted);
  margin: 0 0 25px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: 10px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  color: white;
  font-size: 0.95rem;
  transition: var(--transition);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(124, 92, 255, 0.2);
}

.newsletter-form button {
  padding: 0 25px;
  background: linear-gradient(135deg, var(--accent), #5a3aff);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(124, 92, 255, 0.3);
}

/* About Section */
.about {
  padding: var(--spacing) 0;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin: 0 0 20px;
  background: linear-gradient(90deg, #fff, #d8d9df);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.about-text .lead {
  font-size: 1.3rem;
  color: var(--accent-2);
  margin: 0 0 25px;
  font-weight: 500;
  line-height: 1.5;
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 30px;
  opacity: 0.9;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 0 0 40px;
}

.feature-item {
  background: rgba(18, 20, 26, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 92, 255, 0.3);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.feature-item h4 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-item h4::before {
  content: '✓';
  color: var(--accent-2);
  font-weight: bold;
}

.feature-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
  opacity: 0.9;
}

.system-requirements {
  background: rgba(18, 20, 26, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 25px;
  margin-top: 30px;
}

.system-requirements h4 {
  font-size: 1.3rem;
  margin: 0 0 20px;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.system-requirements h4::before {
  content: '🖥️';
  font-size: 1.2em;
}

.requirements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.requirements-grid > div {
  padding: 15px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.requirements-grid h5 {
  font-size: 1rem;
  color: var(--accent-2);
  margin: 0 0 8px;
  font-weight: 600;
}

.requirements-grid p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

.about-media {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.media-container {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.featured-image {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.media-grid img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: var(--transition);
}

.featured-image:hover,
.media-grid img:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Footer */
.site-footer {
  background: #090a0d;
  color: var(--muted);
  padding: 60px 0 0;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand p {
  margin: 0 0 25px;
  font-size: 0.95rem;
  line-height: 1.7;
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-3px);
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-column {
  flex: 1;
}

.footer-column h4 {
  color: white;
  font-size: 1.1rem;
  margin: 0 0 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-column li {
  margin-bottom: 12px;
}

.footer-column a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-block;
  position: relative;
}

.footer-column a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-2);
  transition: width 0.3s ease;
}

.footer-column a:hover {
  color: white;
  padding-left: 5px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 25px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.9rem;
}

.footer-legal a {
  color: var(--muted);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--accent-2);
}

.footer-legal span {
  opacity: 0.3;
}

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  z-index: 99;
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .footer-content {
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
  }
}

@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-media {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .media-container {
    position: static;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-brand {
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 40px auto 0;
  }
  
  .footer-links {
    flex-wrap: wrap;
    gap: 30px;
  }
  
  .footer-column {
    flex: 0 0 calc(50% - 30px);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: rgba(10, 11, 14, 0.98);
    backdrop-filter: blur(10px);
    padding: 100px 30px 40px;
    transition: right 0.4s ease;
    z-index: 100;
    overflow-y: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 15px;
  }
  
  .main-nav a {
    display: block;
    padding: 12px 0;
    font-size: 1.1rem;
  }
  
  .download-btn {
    display: none;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-text h2 {
    font-size: 2rem;
  }
  
  .about-text .lead {
    font-size: 1.2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-column {
    flex: 0 0 100%;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  
  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }
  
  .hero {
    padding: 80px 15px 40px;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .cta {
    width: 100%;
    justify-content: center;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form button {
    padding: 12px 20px;
  }
  
  #back-to-top {
    width: 45px;
    height: 45px;
    font-size: 1rem;
    bottom: 20px;
    right: 20px;
  }
}

/* Animation Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }