:root {
    --bg-color: #fbf9f8;
    --text-color: #273817;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Terrane', 'Terrane Medium', 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

#woo-button {
    appearance: none;
    background: linear-gradient(135deg, #77b96f, #273817);
    border: none;
    border-radius: 9999px;
    color: #fbf9f8;
    cursor: pointer;
    font-family: 'Terrane', 'Terrane Medium', 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: bold;
    padding: 24px 80px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(39, 56, 23, 0.4), inset 0 0 0 2px rgba(251, 249, 248, 0.2);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 4px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

#woo-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    animation: shine 4s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

#woo-button:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 20px 50px rgba(119, 185, 111, 0.6), inset 0 0 0 2px rgba(251, 249, 248, 0.3);
}

#woo-button:active {
    transform: scale(0.95);
    box-shadow: 0 5px 20px rgba(39, 56, 23, 0.4);
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 200%; }
    100% { left: 200%; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.pulse-anim {
    animation: pulse 0.3s ease-in-out;
}

.volume-note {
    font-size: 1rem;
    color: #414141;
    font-weight: 500;
    opacity: 0.7;
    text-align: center;
    letter-spacing: 0.5px;
}