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

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    color: white;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    overflow-x: hidden;
    overflow-y: hidden;
    position: relative;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 0;
    z-index: 10;
    background: transparent;
}

nav {
    display: flex;
    gap: 30px;
}

nav a, nav .button {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-weight: bold;
    height: 40px;
    opacity: 0.65;
    transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
}

nav a:hover,
nav .button:hover {
    opacity: 1;
}

.button {
    padding: 0 20px;
    border: 2px solid white;
    border-radius: 5px;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideIn 1s ease-out forwards;
}

.hero p {
    font-size: 1.5rem;
    max-width: 600px;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideIn 1.5s ease-out forwards;
}

.hit-button {
    padding: 15px 30px;
    border: 2px solid white;
    border-radius: 8px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    animation: slideIn 1.5s ease-out forwards;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.hit-button:hover {
    background-color: white;
    color: #24243e;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255,255,255,0.4);
}

.hit-button.playing {
    border-width: 2px;
}

@keyframes slideIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation-name: float;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); opacity: 0.5; }
    50% { transform: translateY(-50px) translateX(20px); opacity: 1; }
    100% { transform: translateY(0) translateX(0); opacity: 0.5; }
}

.content {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    text-align: center;
    font-size: 1.3rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.typewriter span {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.typewriter span.visible {
    opacity: 1;
}

#frog-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.frog {
    position: absolute;
    height: auto;
    opacity: 0;
    transition: opacity linear;
    z-index: 2;
}

#start-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.3rem;
    font-weight: normal;
    color: white;
    text-align: center;
    z-index: 999;
    pointer-events: none;
    white-space: pre-wrap;
}

#start-text span {
    opacity: 0;
    transition: opacity 0.05s linear;
}

.particles, #frog-container { pointer-events: none; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    nav a, nav .button { height: 30px; font-size: 0.9rem; }
    nav { gap: 20px; }
    .hit-button { font-size: 0.9rem; padding: 8px 15px; }
    .content { padding: 30px 10px; font-size: 1rem; }
    #start-text { font-size: 1rem; padding: 0 10px; }
    .frog { width: 13vw !important; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 0.9rem; }
    nav a, nav .button { height: 25px; font-size: 0.8rem; }
    nav { gap: 15px; }
    .hit-button { font-size: 0.8rem; padding: 6px 12px; }
    .content { padding: 20px 5px; font-size: 0.9rem; }
    #start-text { font-size: 0.9rem; padding: 0 5px; }
    .frog { width: 10vw !important; }
}