* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; font-size: 16px; line-height: 1.6; color: #1a202c; background: #ffffff; padding-bottom: 100px; }
a { color: #165DFF; text-decoration: none; }
a:hover { color: #0d4bc4; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.ruo-banner { position: fixed; bottom: 0; left: 0; right: 0; background: #8b0000; color: #fff; padding: 10px 20px; z-index: 9999; text-align: center; font-size: 0.7rem; border-top: 2px solid #ff4444; }
.ruo-banner strong { color: #ff8888; }

.site-header { position: sticky; top: 0; z-index: 1000; background: #ffffff; border-bottom: 1px solid #e2e8f0; padding: 12px 0; }
.header-grid { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.logo a { font-size: 1.3rem; font-weight: 700; color: #1a202c; text-decoration: none; }
.logo .gold { color: #D4A853; }
.logo-sub { font-size: 0.6rem; color: #64748b; display: block; }
.primary-nav ul { display: flex; gap: 24px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.primary-nav a { color: #4a5568; font-size: 0.85rem; font-weight: 500; padding: 4px 0; border-bottom: 2px solid transparent; text-decoration: none; }
.primary-nav a:hover, .primary-nav a.active { color: #165DFF; border-bottom-color: #165DFF; }
.btn-logout { background: transparent; border: 1px solid #e2e8f0; color: #4a5568; padding: 6px 16px; border-radius: 30px; font-size: 0.75rem; cursor: pointer; font-family: inherit; }
.btn-logout:hover { background: #f1f5f9; }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: #1a202c; cursor: pointer; }

.btn { display: inline-block; padding: 10px 28px; border-radius: 30px; font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer; transition: all 0.25s ease; font-family: inherit; }
.btn-primary { background: #165DFF; color: #ffffff; }
.btn-primary:hover { background: #0d4bc4; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(22,93,255,0.25); }
.btn-secondary { background: transparent; border: 2px solid #165DFF; color: #165DFF; }
.btn-secondary:hover { background: #165DFF; color: #ffffff; transform: translateY(-2px); }
.btn-lg { padding: 12px 36px; font-size: 1rem; }

.badge-group { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.badge { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.65rem; font-weight: 600; text-transform: uppercase; }
.badge-featured { background: #fef3c7; color: #92400e; border: 1px solid #f59e0b; }
.badge-green { background: #dcfce7; color: #065f46; border: 1px solid #10b981; }
.badge-blue { background: #dbeafe; color: #1e40af; border: 1px solid #60a5fa; }
.badge-research { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }

.hero { padding: 60px 0 40px; background: #ffffff; border-bottom: 1px solid #e2e8f0; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.hero-content h1 { font-size: 2.6rem; font-weight: 700; color: #1a202c; line-height: 1.15; margin-bottom: 16px; }
.hero-sub { font-size: 1.1rem; color: #4a5568; max-width: 560px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-visual .dna-helix { width: 200px; height: 280px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 280'%3E%3Cpath d='M100 10 C60 10, 60 60, 100 60 C140 60, 140 110, 100 110 C60 110, 60 160, 100 160 C140 160, 140 210, 100 210 C60 210, 60 260, 100 270' stroke='%23165DFF' stroke-width='2' fill='none' opacity='0.3'/%3E%3Cpath d='M80 10 C120 10, 120 60, 80 60 C40 60, 40 110, 80 110 C120 110, 120 160, 80 160 C40 160, 40 210, 80 210 C120 210, 120 260, 80 270' stroke='%23165DFF' stroke-width='2' fill='none' opacity='0.3'/%3E%3Ccircle cx='100' cy='35' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='80' cy='35' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='100' cy='85' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='80' cy='85' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='100' cy='135' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='80' cy='135' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='100' cy='185' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='80' cy='185' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='100' cy='235' r='4' fill='%23165DFF' opacity='0.5'/%3E%3Ccircle cx='80' cy='235' r='4' fill='%23165DFF' opacity='0.5'/%3E%3C/svg%3E") no-repeat center; background-size: contain; }

.stats { padding: 48px 0; background: #f8fafc; border-bottom: 1px solid #e2e8f0; }
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; text-align: center; }
.stat-number { display: block; font-size: 2.4rem; font-weight: 700; color: #165DFF; }
.stat-label { font-size: 0.75rem; color: #64748b; }

section { padding: 48px 0; }
section:nth-child(even) { background: #f8fafc; }
section:nth-child(odd) { background: #ffffff; }

.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 2rem; font-weight: 600; color: #1a202c; }
.section-header p { color: #4a5568; max-width: 600px; margin: 0 auto; }
.section-divider { width: 60px; height: 3px; background: #165DFF; margin: 12px auto 20px; border: none; }

.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; transition: 0.3s; }
.card:hover { border-color: #165DFF; transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.card h3 { color: #165DFF; font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: #4a5568; font-size: 0.9rem; line-height: 1.7; }

.origin-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
.origin-story { background: #f8fafc; border-left: 4px solid #165DFF; padding: 24px 28px; border-radius: 0 12px 12px 0; }
.origin-story .year { color: #165DFF; font-weight: 600; font-size: 0.9rem; }
.origin-story blockquote { font-size: 1.05rem; font-style: italic; border-left: 3px solid #D4A853; padding-left: 20px; margin: 16px 0; }
.origin-story .attribution { color: #64748b; font-size: 0.85rem; }
.origin-image .avatar { font-size: 3.5rem; display: block; margin-bottom: 8px; }
.origin-image .name { color: #165DFF; font-weight: 600; }
.origin-image .title { color: #4a5568; font-size: 0.8rem; }
.origin-image .stock { color: #64748b; font-size: 0.7rem; }
.origin-image .featured-badge { display: inline-block; background: #fef3c7; color: #92400e; font-size: 0.6rem; font-weight: 600; padding: 2px 12px; border-radius: 12px; margin-top: 8px; border: 1px solid #f59e0b; }

.artemis-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.artemis-pillar { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 20px 16px; text-align: center; transition: 0.3s; }
.artemis-pillar:hover { border-color: #165DFF; transform: translateY(-4px); }
.artemis-pillar .icon { font-size: 2rem; display: block; }
.artemis-pillar h4 { color: #1a202c; font-size: 0.85rem; font-weight: 600; }
.artemis-pillar p { color: #64748b; font-size: 0.7rem; }
.artemis-pillar.highlight { border-color: #D4A853; background: #fefcf7; }
.artemis-pillar.highlight h4 { color: #92400e; }

.clickable { cursor: pointer; transition: all 0.3s ease; }
.clickable:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); border-color: #165DFF; }

.stats-disclaimer { text-align: center; font-size: 0.7rem; color: #94a3b8; margin-top: 12px; padding: 8px 16px; background: #F8FAFC; border-radius: 8px; border: 1px solid #E2E8F0; max-width: 800px; margin-left: auto; margin-right: auto; }
.stats-disclaimer a { color: #165DFF; text-decoration: none; }
.stats-disclaimer a:hover { text-decoration: underline; }

.btn-partner { background: #D4A853 !important; color: #0F172A !important; border: none !important; }
.btn-partner:hover { background: #c49a3e !important; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3) !important; }
.btn-pipeline { background: #165DFF !important; color: #ffffff !important; border: none !important; }
.btn-pipeline:hover { background: #0d4bc4 !important; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(22, 93, 255, 0.25) !important; }

.footer-hydrogen { background: #0F172A; color: #94a3b8; padding: 40px 0 20px; border-top: 1px solid #1E293B; font-size: 0.75rem; }
.footer-hydrogen .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-hydrogen .footer-links { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-hydrogen .footer-links a { color: #94a3b8; text-decoration: none; font-size: 0.75rem; }
.footer-hydrogen .footer-links a:hover { color: #D4A853; }
.footer-hydrogen .footer-copy { text-align: center; padding: 16px 0 8px; font-size: 0.7rem; color: #64748b; }
.footer-hydrogen .footer-division { text-align: center; font-size: 0.8rem; color: #94a3b8; padding: 4px 0; }
.footer-hydrogen .footer-division strong { color: #D4A853; }
.footer-hydrogen .footer-office { text-align: center; font-size: 0.7rem; color: #64748b; padding: 4px 0; }
.footer-hydrogen .footer-project { text-align: center; font-size: 0.7rem; color: #D4A853; padding: 8px 0 4px; letter-spacing: 0.05em; }
.footer-hydrogen .footer-vision { text-align: center; font-size: 0.65rem; color: #64748b; padding: 4px 0; }
.footer-hydrogen .footer-vision a { color: #94a3b8; text-decoration: none; }
.footer-hydrogen .footer-vision a:hover { color: #D4A853; }
.footer-hydrogen .footer-updated { text-align: center; font-size: 0.6rem; color: #475569; padding: 4px 0; }
.footer-hydrogen .footer-disclaimer { text-align: center; font-size: 0.6rem; color: #475569; padding: 8px 0; border-top: 1px solid rgba(255,255,255,0.04); margin-top: 8px; max-width: 900px; margin-left: auto; margin-right: auto; line-height: 1.6; }
.footer-hydrogen .footer-disclaimer .online-counter { color: #D4A853; }

.contact-direct { background: #fefcf7; border: 2px solid #D4A853; border-radius: 12px; padding: 24px; text-align: center; margin-top: 20px; }
.contact-direct .big-email { font-size: 1.4rem; font-weight: 600; color: #165DFF; }
.contact-direct .big-email a { color: #165DFF; text-decoration: none; }
.contact-social { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; text-align: center; margin-top: 20px; }
.contact-social a { color: #165DFF; font-weight: 600; text-decoration: none; font-size: 1.1rem; }
.contact-social a:hover { color: #0d4bc4; text-decoration: underline; }

#map { height: 400px; border-radius: 12px; border: 1px solid #e2e8f0; margin: 20px 0; }
.map-container { background: #f8fafc; border-radius: 12px; padding: 20px; border: 1px solid #e2e8f0; }

@media (max-width: 1024px) { .hero-grid { grid-template-columns: 1fr; text-align: center; } .hero-actions { justify-content: center; } .stats-grid { grid-template-columns: repeat(3, 1fr); } .artemis-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .header-grid { flex-direction: column; align-items: stretch; } .primary-nav ul { justify-content: center; gap: 12px; } .header-actions { justify-content: center; } .mobile-toggle { display: block; } .primary-nav { display: none; } .primary-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #ffffff; padding: 20px; border-bottom: 1px solid #e2e8f0; } .primary-nav.open ul { flex-direction: column; align-items: center; gap: 12px; } .stats-grid { grid-template-columns: repeat(2, 1fr); } .origin-grid { grid-template-columns: 1fr; } .artemis-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr 1fr; } .artemis-grid { grid-template-columns: 1fr; } .badge-group { justify-content: center; } }
