.hero {
  --flow-lift: 100px;
  min-height: calc(100vh - var(--flow-lift));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-xl) - var(--flow-lift)) var(--page-pad-x) var(--space-xl);
  text-align: center;
}
.hero-content { max-width: 840px; margin: 0 auto; }
.hero h1 { margin-bottom: var(--space-md); }
.hero-sub { font-size: var(--size-lg); color: var(--text-muted); line-height: 1.55; margin-bottom: var(--space-lg); max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); flex-wrap: wrap; margin-bottom: var(--space-xl); }
.hero-window { position: relative; width: 100%; max-width: 820px; aspect-ratio: 16 / 9; margin: 0 auto; border-radius: 0; overflow: visible; border: 0; background: transparent; box-shadow: none; }
.hero-window-bar { display: none; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28ca41; }
.hero-window img, .hero-window video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-fullscreen-toggle { position: absolute; left: 14px; bottom: 14px; z-index: 2; width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; background: rgba(10,12,18,0.68); color: #fff; font-size: 14px; backdrop-filter: blur(10px); cursor: pointer; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.hero-fullscreen-toggle:hover { background: rgba(10,12,18,0.86); border-color: rgba(255,255,255,0.36); transform: translateY(-1px); }
.hero-play-toggle { position: absolute; left: 50%; bottom: 14px; z-index: 2; width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; background: rgba(10,12,18,0.68); color: #fff; font-size: 14px; backdrop-filter: blur(10px); cursor: pointer; transform: translateX(-50%); transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.hero-play-toggle:hover { background: rgba(10,12,18,0.86); border-color: rgba(255,255,255,0.36); transform: translateX(-50%) translateY(-1px); }
.hero-audio-toggle { position: absolute; right: 14px; bottom: 14px; z-index: 2; width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; background: rgba(10,12,18,0.68); color: #fff; font-size: 16px; backdrop-filter: blur(10px); cursor: pointer; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.hero-audio-toggle:hover { background: rgba(10,12,18,0.86); border-color: rgba(255,255,255,0.36); transform: translateY(-1px); }
.hero-audio-toggle.is-on { background: rgba(255,255,255,0.9); color: #0a0c12; border-color: rgba(255,255,255,0.7); }
.info-boxes { padding: 0 var(--page-pad-x) var(--space-xl); }
.info-boxes-inner { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-xl); }
.info-boxes-grid { width: 100%; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.info-box { flex: 0 1 126px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 8px; text-align: center; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.info-box:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-2px); }
.info-box-icon { font-size: 18px; color: var(--text); margin-bottom: 6px; display: block; }
.info-box-text { color: var(--text-muted); font-size: 10px; font-weight: 500; line-height: 1.35; }
.info-mission { width: 100%; max-width: 900px; text-align: center; }
.info-mission h2 { text-align: center; margin-bottom: var(--space-sm); }
.info-mission-copy { margin-bottom: 0; }
.info-mission-copy p { font-size: inherit; color: inherit; line-height: inherit; text-align: inherit; margin-bottom: var(--space-sm); }
.info-mission-copy p:last-child { margin-bottom: 0; }
.sn-section { padding: var(--space-xl) var(--page-pad-x); }
.sn-inner { max-width: 900px; margin: 0 auto; }
.sn-inner h2 { text-align: center; margin-bottom: var(--space-sm); }
.sn-intro { font-size: var(--size-md); color: var(--text-muted); line-height: 1.6; max-width: 700px; margin: 0 auto var(--space-lg) auto; text-align: center; }
.sn-columns { display: flex; flex-direction: column; align-items: center; gap: 40px; width: 100%; }
.sn-col { width: 100%; max-width: 620px; text-align: center; }
.sn-col-label { font-size: var(--size-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: var(--space-sm); text-align: center; }
.sn-list { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.sn-list li { font-size: var(--size-sm); color: var(--text-muted); line-height: 1.5; padding-left: 0; position: relative; text-align: center; }
.sn-list li::before { content: none; }
@media (max-width: 767px) { .hero { padding-top: calc(var(--nav-height) + var(--space-lg) - var(--flow-lift)); padding-bottom: var(--space-lg); } .hero-sub { font-size: var(--size-base); } .sn-columns { gap: var(--space-lg); } .info-box { flex-basis: min(150px, calc(50% - 4px)); } }
@media (max-width: 479px) { .hero-actions { flex-direction: column; align-items: stretch; } .hero-actions .btn { width: 100%; } .info-boxes-grid { gap: 5px; } .info-box { flex-basis: calc(50% - 3px); padding: 12px 6px; } .info-box-icon { font-size: 16px; } }