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1rem}.logo-text{font-size:1.5rem}.tagline{font-size:.9rem}.main-content{padding:0 1rem 2rem}.convert-btn{padding:1rem 1.5rem;font-size:1rem}.features{padding:2rem 1rem}.features-grid{gap:1rem}}@media (max-width: 480px){.header{padding:1.25rem 1rem}.logo-icon svg{width:32px;height:32px}.logo-text{font-size:1.25rem}.feature-card{padding:1.25rem}}:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a25;--bg-elevated: #222230;--accent-primary: #ff6b35;--accent-secondary: #f7931e;--accent-glow: rgba(255, 107, 53, .3);--text-primary: #ffffff;--text-secondary: #a0a0b0;--text-muted: #606070;--border-subtle: rgba(255, 255, 255, .08);--border-accent: rgba(255, 107, 53, .4);--shadow-card: 0 8px 32px rgba(0, 0, 0, .4);--shadow-glow: 0 0 40px var(--accent-glow);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 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