:root {
  --primary: #0284C7;
  --primary-hover: #0369A1;
  --secondary: #F59E0B;
  --accent: #10B981;
  --accent-soft: #E0F2FE;
  --bg-light: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --container-max: 1180px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Prompt', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.lightbox-open {
  overflow: hidden;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography & Badges */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

.section-badge {
  display: inline-block;
  background-color: var(--accent-soft);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-appstore {
  background-color: #000000;
  color: #FFFFFF;
  padding: 0.55rem 1.25rem;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.btn-appstore:hover {
  background-color: #1f1f1f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
}

.btn-appstore .apple-icon {
  flex-shrink: 0;
}

.btn-appstore .btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.1;
}

.btn-appstore .btn-subtext {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3px;
  color: rgba(255, 255, 255, 0.8);
}

.btn-appstore .btn-maintext {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.btn-secondary {
  background-color: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-nav-cta {
  background-color: #000000;
  color: #FFFFFF;
  padding: 0.45rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
}

.btn-nav-cta:hover {
  background-color: #222222;
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn-large {
  padding: 0.75rem 1.8rem;
}

.btn-large .btn-maintext {
  font-size: 1.2rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-main);
}

.brand-icon {
  font-size: 1.4rem;
}

.desktop-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-main);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.2s ease;
}

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

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.hamburger-bar {
  width: 24px;
  height: 2.5px;
  background-color: var(--text-main);
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.hamburger-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1.25rem 1.5rem 1.5rem;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu.active {
  display: flex;
}

.mobile-nav-link {
  padding: 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-cta-wrap {
  margin-top: 1rem;
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 1.5rem 4rem;
  position: relative;
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge {
  display: inline-block;
  background-color: var(--accent-soft);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-title {
  font-size: 2.9rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.highlight-tag {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--card-bg);
  border: 8px solid #FFFFFF;
  transition: transform 0.4s ease;
}

.hero-frame:hover {
  transform: translateY(-4px);
}

.hero-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-light), var(--accent-soft));
}

/* Features Section */
.features-section {
  padding: 5rem 0;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.feature-card {
  background: var(--bg-light);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.feature-icon-wrapper {
  width: 58px;
  height: 58px;
  background-color: var(--card-bg);
  color: var(--primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Gallery Section */
.gallery-section {
  padding: 5.5rem 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background-color: #E2E8F0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item-video {
  grid-column: span 2;
}

.gallery-thumb-container {
  position: relative;
  width: 100%;
  height: 100%;
  flex: 1;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  color: #FFFFFF;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  background: rgba(0, 0, 0, 0.28);
}

.play-badge, .zoom-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.gallery-item:hover .play-badge,
.gallery-item:hover .zoom-badge {
  transform: translate(-50%, -50%) scale(1.15);
  background-color: #FFFFFF;
}

.gallery-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

/* Specs Section */
.specs-section {
  padding: 5rem 0;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.spec-card {
  background: var(--bg-light);
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.spec-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.spec-value {
  font-size: 1.05rem;
  color: var(--text-main);
  font-weight: 600;
}

/* CTA Banner Section */
.cta-banner-section {
  padding: 5rem 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  color: #FFFFFF;
  padding: 4rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.cta-desc {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-btn-wrap {
  display: flex;
  justify-content: center;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-dialog {
  position: relative;
  z-index: 1001;
  width: 90%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.lightbox-body {
  background-color: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

.lightbox-media-wrap {
  width: 100%;
  max-height: 68vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000000;
}

.lightbox-media-wrap img {
  max-width: 100%;
  max-height: 68vh;
  object-fit: contain;
}

.lightbox-media-wrap video,
.lightbox-media-wrap iframe {
  max-width: 100%;
  max-height: 68vh;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  outline: none;
  display: block;
}

.lightbox-footer {
  padding: 1.25rem 1.5rem;
  background-color: #111827;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lightbox-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.lightbox-caption {
  font-size: 0.85rem;
  color: #9CA3AF;
}

.lightbox-counter {
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.lightbox-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 1002;
}

.lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.1);
}

.lightbox-close {
  top: -46px;
  right: 0;
  width: 40px;
  height: 40px;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
}

.lightbox-prev {
  left: -60px;
}

.lightbox-next {
  right: -60px;
}

/* Footer */
.site-footer {
  background-color: #0F172A;
  color: #CBD5E1;
  padding: 4.5rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 3.5rem;
}

.footer-logo {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #94A3B8;
}

.footer-copy {
  font-size: 0.85rem;
  color: #64748B;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-disclaimer {
  font-size: 0.85rem;
  line-height: 1.65;
  color: #94A3B8;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-highlights {
    justify-content: center;
  }
  .hero-visual {
    max-width: 560px;
    margin: 0 auto;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  .legal-col {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .desktop-menu {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item-video {
    grid-column: span 1;
  }
  .specs-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-prev {
    left: 10px;
  }
  .lightbox-next {
    right: 10px;
  }
  .lightbox-close {
    top: 10px;
    right: 10px;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .legal-col {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .btn-appstore {
    width: 100%;
  }
  .btn-secondary {
    width: 100%;
  }
  .cta-title {
    font-size: 1.75rem;
  }
}