* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, sans-serif;
}

body {
    background: #ffffff;
    color: #000;
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 60px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

section {
    transform: translateY(80px);
    animation: fadeInUp 0.8s forwards;
    margin-bottom: 200px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

section:nth-child(2) {
    animation-delay: 0.2s;
}

section:nth-child(3) {
    animation-delay: 0.4s;
}

section:nth-child(4) {
    animation-delay: 0.6s;
}

section:nth-child(5) {
    animation-delay: 0.8s;
}

@keyframes fadeInUp {
    to {
        transform: translateY(0);
    }
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.waving-emoji {
    font-size: 3rem;
    display: inline-block;
    animation: wave 2s infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    30% { transform: rotate(14deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

p {
    font-size: 1.2rem;
    margin: 20px 0;
    text-align: center;
    line-height: 1.8;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.error-code {
    font-family: monospace;
    font-size: 1.2rem;
    background: #f0f0f0;
    padding: 5px 10px;
    border-radius: 5px;
    margin: 0 5px;
}

.highlight-text {
    background: linear-gradient(120deg, #ffd700 0%, #ffec99 100%);
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
    transform: rotate(-2deg);
}

.links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
}

.link-card {
    background: #fff;
    padding: 20px 30px;
    border-radius: 15px;
    text-decoration: none;
    color: #000;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.link-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.link-card svg {
    width: 24px;
    height: 24px;
}

.quote {
    font-style: italic;
    color: #666;
    max-width: 600px;
    margin: 30px auto;
    position: relative;
    padding: 30px;
    background: #f8f8f8;
    border-radius: 15px;
}

.quote::before,
.quote::after {
  content: '"';
  font-size: 4rem;
  position: absolute;
  opacity: 0.1;
}

.quote::before {
  top: -20px;
  left: 20px;
  transform: rotate(-10deg);
}

.quote::after {
  bottom: -40px;
  right: 20px;
  transform: rotate(8deg);
}

.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #000;
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    p {
        font-size: 1.1rem;
    }
    
    .links {
        flex-direction: column;
        align-items: center;
    }
    
    .link-card {
        width: 100%;
        max-width: 300px;
    }

    section {
        margin-bottom: 60px;
        padding: 30px;
    }
}