:root {
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #0F1419;
    --accent: #FF6B35;
    --accent-light: #FF8C5A;
    --light: #F8F9FA;
    --white: #FFFFFF;
    --gray-100: #F1F3F4;
    --gray-200: #E8EAED;
    --gray-300: #DADCE0;
    --gray-400: #9AA0A6;
    --gray-500: #5F6368;
    --gray-600: #3C4043;
    --gray-700: #202124;
    --success: #1E8E3E;
    --error: #D93025;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); line-height: 1.6; color: var(--gray-700); background-color: var(--white); overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
header { background: var(--white); border-bottom: 1px solid var(--gray-200); padding: 16px 0; position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(10px); background: rgba(255, 255, 255, 0.95); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo .braille { display: block; font-size: 0.75rem; letter-spacing: 3px; color: var(--primary); font-weight: 700; margin-bottom: 4px; }
.logo h1 { font-size: 1.25rem; color: var(--secondary); font-weight: 800; }
nav ul { list-style: none; display: flex; gap: 32px; }
nav a { text-decoration: none; color: var(--gray-600); font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
nav a:hover { color: var(--primary); }
.btn-nav { background: var(--primary); color: var(--white); padding: 10px 20px; border-radius: var(--radius-md); text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
.btn-nav:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--secondary) 0%, #1a2332 100%); color: var(--white); padding: 120px 0 80px; position: relative; overflow: hidden; }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h2 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 24px; }
.highlight { color: var(--accent); position: relative; }
.highlight::after { content: ''; position: absolute; bottom: 4px; left: 0; width: 100%; height: 8px; background: var(--accent); opacity: 0.3; z-index: -1; }
.subtitle { font-size: 1.25rem; opacity: 0.9; margin-bottom: 40px; font-weight: 400; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; padding: 24px; background: rgba(255, 255, 255, 0.05); border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; opacity: 0.8; font-weight: 500; }
.cta-group { display: flex; gap: 16px; }
.btn { padding: 14px 32px; border-radius: var(--radius-md); text-decoration: none; font-weight: 700; font-size: 1rem; transition: var(--transition); display: inline-block; border: 2px solid transparent; }
.btn.primary { background: var(--accent); color: var(--white); }
.btn.primary:hover { background: var(--accent-light); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn.secondary { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn.secondary:hover { background: var(--white); color: var(--secondary); transform: translateY(-3px); }
.btn.large { padding: 18px 48px; font-size: 1.1rem; }
.hero-visual { position: relative; height: 400px; }
.floating-card { position: absolute; background: var(--white); color: var(--secondary); padding: 20px 28px; border-radius: var(--radius-lg); font-weight: 700; font-size: 1rem; box-shadow: var(--shadow-xl); animation: float 6s ease-in-out infinite; }
.card-1 { top: 20%; left: 10%; animation-delay: 0s; }
.card-2 { top: 50%; right: 10%; animation-delay: 2s; }
.card-3 { bottom: 20%; left: 20%; animation-delay: 4s; }
@keyframes float { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-20px); } }
.scroll-indicator { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); font-size: 2rem; color: var(--white); opacity: 0.7; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0px); } 50% { transform: translateX(-50%) translateY(10px); } }

/* Sections */
section { padding: 100px 0; }
.section-light { background: var(--light); }
.section-dark { background: var(--secondary); color: var(--white); }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 800; margin-bottom: 20px; color: var(--secondary); }
.section-dark .section-title { color: var(--white); }
.highlight-text { color: var(--primary); }
.section-dark .highlight-text { color: var(--accent); }
.section-intro { text-align: center; font-size: 1.15rem; color: var(--gray-500); max-width: 700px; margin: 0 auto 60px; }
.section-dark .section-intro { color: var(--gray-300); }

/* Problem */
.problem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; margin-bottom: 48px; }
.problem-card { background: var(--white); padding: 40px 32px; border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-md); transition: var(--transition); }
.problem-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.problem-icon { font-size: 3rem; margin-bottom: 16px; }
.problem-card h4 { font-size: 1.4rem; color: var(--secondary); margin-bottom: 12px; }
.problem-card p { color: var(--gray-500); }
.story-quote { background: var(--white); padding: 40px; border-radius: var(--radius-lg); border-left: 5px solid var(--primary); font-size: 1.25rem; font-style: italic; color: var(--gray-600); box-shadow: var(--shadow-md); max-width: 900px; margin: 0 auto; }

/* Solution */
.comparison-banner { display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: center; margin-bottom: 80px; padding: 40px; background: rgba(255, 255, 255, 0.05); border-radius: var(--radius-xl); border: 1px solid rgba(255, 255, 255, 0.1); }
.comparison-item { padding: 32px; border-radius: var(--radius-lg); }
.comparison-item.before { background: rgba(217, 48, 37, 0.1); border: 1px solid rgba(217, 48, 37, 0.3); }
.comparison-item.after { background: rgba(30, 142, 62, 0.1); border: 1px solid rgba(30, 142, 62, 0.3); }
.comparison-item h4 { font-size: 1.5rem; margin-bottom: 20px; font-weight: 700; }
.comparison-item.before h4 { color: var(--error); }
.comparison-item.after h4 { color: var(--success); }
.comparison-item ul { list-style: none; }
.comparison-item li { padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.comparison-item li:last-child { border-bottom: none; }
.comparison-arrow { font-size: 3rem; color: var(--accent); font-weight: 800; }
.process-flow { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 80px; flex-wrap: wrap; }
.step { flex: 1; min-width: 280px; background: rgba(255, 255, 255, 0.08); padding: 40px 32px; border-radius: var(--radius-lg); text-align: center; position: relative; transition: var(--transition); border: 1px solid rgba(255, 255, 255, 0.1); }
.step:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-5px); }
.step-number { display: inline-block; font-size: 4rem; font-weight: 800; color: var(--accent); opacity: 0.3; margin-bottom: 16px; }
.step h4 { font-size: 1.4rem; margin-bottom: 12px; color: var(--white); }
.step p { font-size: 1rem; opacity: 0.9; }
.step-connector { font-size: 2rem; color: var(--accent); font-weight: 800; }

/* Market */
.market-layers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 80px; }
.layer-card { padding: 48px 32px; border-radius: var(--radius-xl); text-align: center; transition: var(--transition); }
.layer-card:hover { transform: translateY(-10px); }
.layer-card.tam { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); }
.layer-card.sam { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%); color: var(--white); }
.layer-card.som { background: linear-gradient(135deg, var(--success) 0%, #0d6f30 100%); color: var(--white); }
.layer-label { font-size: 1rem; font-weight: 700; opacity: 0.9; margin-bottom: 12px; letter-spacing: 2px; }
.layer-value { font-size: 3.5rem; font-weight: 800; margin-bottom: 12px; }
.layer-desc { font-size: 1rem; opacity: 0.9; }
.catalysts-grid { margin-bottom: 80px; }
.catalysts-grid h4 { text-align: center; font-size: 1.8rem; margin-bottom: 40px; color: var(--secondary); }
.section-dark .catalysts-grid h4 { color: var(--white); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.catalyst-card { background: var(--white); padding: 40px 32px; border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-md); transition: var(--transition); }
.section-dark .catalyst-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: var(--white); }
.catalyst-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.catalyst-icon { font-size: 3rem; margin-bottom: 20px; }
.catalyst-card h5 { font-size: 1.4rem; color: var(--secondary); margin-bottom: 12px; }
.section-dark .catalyst-card h5 { color: var(--white); }
.catalyst-card p { color: var(--gray-500); font-size: 1rem; }
.section-dark .catalyst-card p { color: var(--gray-300); }

/* Moat */
.moat-content { max-width: 900px; margin: 0 auto 60px; text-align: center; }
.moat-text { font-size: 1.25rem; line-height: 1.8; opacity: 0.9; }
.traction-grid { display: grid; gap: 24px; }
.traction-item { display: flex; align-items: flex-start; gap: 20px; padding: 28px; background: rgba(255, 255, 255, 0.05); border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); transition: var(--transition); }
.traction-item:hover { background: rgba(255, 255, 255, 0.08); }
.traction-icon { font-size: 2.5rem; flex-shrink: 0; }
.traction-content h4 { font-size: 1.3rem; margin-bottom: 8px; color: var(--white); }
.traction-content p { opacity: 0.9; font-size: 1rem; }

/* Team */
.team-card { background: var(--white); padding: 48px; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); max-width: 900px; margin: 0 auto; }
.team-header { margin-bottom: 24px; border-bottom: 2px solid var(--gray-200); padding-bottom: 24px; }
.team-header h4 { font-size: 2rem; color: var(--secondary); margin-bottom: 8px; }
.team-role { color: var(--primary); font-weight: 700; font-size: 1.1rem; }
.team-bio p { margin-bottom: 16px; color: var(--gray-600); font-size: 1.05rem; }

/* Footer */
footer { background: var(--secondary); color: var(--white); padding: 100px 0 60px; }
.footer-intro { text-align: center; font-size: 1.15rem; opacity: 0.9; max-width: 700px; margin: 0 auto 60px; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; margin-bottom: 60px; }
.contact-card { background: rgba(255, 255, 255, 0.05); padding: 40px 32px; border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, 0.1); }
.contact-card h4 { font-size: 1.4rem; margin-bottom: 20px; color: var(--accent); }
.contact-card p { margin-bottom: 12px; font-size: 1rem; opacity: 0.9; }
.contact-card a { color: var(--accent); text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }
.footer-cta { text-align: center; margin-bottom: 60px; }
.legal-line { text-align: center; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, 0.1); font-size: 0.9rem; opacity: 0.7; }
.legal-line a { color: var(--accent); text-decoration: none; }

/* Animations */
.animate-fade { animation: fadeInUp 0.8s ease-out; }
.animate-fade-delay { animation: fadeInUp 0.8s ease-out 0.2s backwards; }
.animate-fade-delay-2 { animation: fadeInUp 0.8s ease-out 0.4s backwards; }
.animate-fade-delay-3 { animation: fadeInUp 0.8s ease-out 0.6s backwards; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { display: none; }
    .hero-stats { grid-template-columns: repeat(3, 1fr); }
    .market-layers { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-container { flex-direction: column; gap: 20px; }
    nav ul { gap: 20px; flex-wrap: wrap; justify-content: center; }
    .hero-content h2 { font-size: 2rem; }
    .section-title { font-size: 2rem; }
    .comparison-banner { grid-template-columns: 1fr; }
    .comparison-arrow { transform: rotate(90deg); }
    .process-flow { flex-direction: column; }
    .step-connector { transform: rotate(90deg); }
    .cta-group { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
}