:root{--bg-main:#f7f5f2;--surface-card:#fff;--surface-warm:#ede9e3;--border-subtle:#e0dad2;--accent:#7c6a58;--accent-hover:#6a5a4a;--accent-muted:#7c6a581f;--text-primary:#1a1714;--text-secondary:#6b6460;--text-muted:#9e9894;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-serif:"Georgia", "Times New Roman", serif;--radius-sm:6px;--radius-md:10px;--radius-lg:16px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}h1,h2,h3,h4{color:var(--text-primary);font-weight:700;line-height:1.25}h1{letter-spacing:-.5px;font-size:clamp(26px,5vw,42px)}h2{letter-spacing:-.3px;font-size:clamp(20px,3.5vw,30px)}h3{font-size:clamp(16px,2.5vw,22px)}p{color:var(--text-secondary);line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:0 20px}.container-wide{max-width:1000px;margin:0 auto;padding:0 20px}.btn{font-size:15px;font-weight:600;font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;line-height:1;text-decoration:none;transition:background .15s,opacity .15s,border-color .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);text-decoration:none}.btn-secondary{color:var(--accent);border:1.5px solid var(--border-subtle);background:0 0}.btn-secondary:hover:not(:disabled){border-color:var(--accent);text-decoration:none}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--text-primary);text-decoration:none}.btn-lg{padding:14px 32px;font-size:16px}.btn-sm{padding:8px 16px;font-size:13px}.btn-full{width:100%}.card{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px 24px}.input{width:100%;font-size:16px;font-family:var(--font-sans);background:var(--surface-card);border:1.5px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);resize:vertical;outline:none;padding:14px 16px;transition:border-color .15s}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}textarea.input{min-height:120px;line-height:1.6}.site-header{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle);background:#f7f5f2eb;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0}.site-logo{color:var(--text-primary);letter-spacing:-.3px;font-size:17px;font-weight:700;text-decoration:none}.site-logo:hover{text-decoration:none}.speech-text{font-family:var(--font-serif);color:var(--text-primary);white-space:pre-wrap;font-size:17px;line-height:1.9}.progress-bar{background:var(--border-subtle);border-radius:99px;height:3px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:99px;height:100%;transition:width .3s}.amount-btn{border-radius:var(--radius-md);border:1.5px solid var(--border-subtle);background:var(--surface-card);color:var(--text-primary);font-size:15px;font-weight:600;font-family:var(--font-sans);cursor:pointer;padding:10px 18px;transition:border-color .15s,background .15s}.amount-btn:hover{border-color:var(--accent);background:var(--accent-muted)}.amount-btn.selected{border-color:var(--accent);background:var(--accent-muted);color:var(--accent)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-center{text-align:center}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mt-12{margin-top:48px}@media (max-width:600px){.card{padding:20px 16px}.btn-lg{padding:13px 24px;font-size:15px}.site-header{padding:0 16px}}