:root {
    /* Material Design 3 Palette */
    --m3-primary: #6750A4;
    --m3-on-primary: #FFFFFF;
    --m3-primary-container: #EADDFF;
    --m3-on-primary-container: #21005D;
    
    --m3-secondary: #625B71;
    --m3-on-secondary: #FFFFFF;
    --m3-secondary-container: #E8DEF8;
    --m3-on-secondary-container: #1D192B;
    
    --m3-tertiary: #7D5260;
    --m3-on-tertiary: #FFFFFF;
    --m3-tertiary-container: #FFD8E4;
    --m3-on-tertiary-container: #31111D;
    
    --m3-error: #B3261E;
    --m3-on-error: #FFFFFF;
    --m3-error-container: #F9DEDC;
    --m3-on-error-container: #410E0B;
    
    --m3-background: #FFFBFE;
    --m3-on-background: #1C1B1F;
    
    --m3-surface: #FFFBFE;
    --m3-on-surface: #1C1B1F;
    --m3-surface-variant: #E7E0EC;
    --m3-on-surface-variant: #49454F;
    --m3-outline: #79747E;
    
    --m3-surface-container-lowest: #FFFFFF;
    --m3-surface-container-low: #F7F2FA;
    --m3-surface-container: #F3EDF7;
    --m3-surface-container-high: #ECE6F0;
    --m3-surface-container-highest: #E6E0E9;

    /* Dark Theme Overrides (Default for landing page as per superwhisper style) */
    --m3-dark-background: #1C1B1F;
    --m3-dark-on-background: #E6E1E5;
    --m3-dark-surface: #1C1B1F;
    --m3-dark-on-surface: #E6E1E5;
    --m3-dark-surface-variant: #49454F;
    --m3-dark-on-surface-variant: #CAC4D0;
    --m3-dark-outline: #938F99;
}

body {
    background-color: var(--m3-dark-background);
    color: var(--m3-dark-on-background);
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

/* Material Design 3 Utilities */
.m3-card {
    border-radius: 28px;
    padding: 24px;
    margin: 12px;
}

.m3-primary-card {
    background-color: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

.m3-secondary-card {
    background-color: var(--m3-secondary-container);
    color: var(--m3-on-secondary-container);
}

.m3-surface-card {
    background-color: var(--m3-dark-surface-variant);
    color: var(--m3-dark-on-surface-variant);
}

/* Buttons */
.m3-button-filled {
    background-color: var(--m3-primary);
    color: var(--m3-on-primary);
    border-radius: 20px;
    padding: 12px 24px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: filter 0.2s;
}

.m3-button-filled:hover {
    filter: brightness(1.1);
}

.m3-button-outlined {
    background-color: transparent;
    color: var(--m3-primary);
    border: 1px solid var(--m3-outline);
    border-radius: 20px;
    padding: 12px 24px;
    font-weight: 600;
    cursor: pointer;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    padding: 48px;
}

.bento-item {
    border-radius: 28px;
    padding: 32px;
    background-color: var(--m3-dark-surface-variant);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Hero Animation */
.audio-bars {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    gap: 4px;
}

.audio-bar {
    width: 4px;
    height: 20px;
    background-color: var(--m3-primary);
    border-radius: 2px;
    animation: bounce 1.2s infinite ease-in-out;
}

/* Typewriter Animation */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--m3-primary);
    white-space: normal;
    margin: 0 auto;
    animation: 
        typing 3.5s steps(40, end),
        blink-caret .75s step-end infinite;
}

@keyframes typing {
    from { max-height: 0; opacity: 0; }
    to { max-height: 200px; opacity: 1; }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--m3-primary); }
}