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

:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-secondary: #888888;
    --accent: #ff0000;
    --border: #222222;
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #000000;
    --text-secondary: #666666;
    --accent: #ff0000;
    --border: #dddddd;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-color);
    border: 2px solid var(--text-color);
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: rotate(180deg) scale(1.1);
    border-color: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.logo {
    font-size: clamp(5rem, 18vw, 15rem);
    font-weight: 900;
    letter-spacing: -0.05em;
    animation: fadeInScale 1s ease-out;
    margin-bottom: 1rem;
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    max-width: 600px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    font-size: 2rem;
    animation: bounce 2s infinite;
    opacity: 0.5;
}


.content-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0;
}

.content-section.alt {
    background-color: var(--bg-color);
}

.text-block {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.text-block.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-number {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.section-text {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.section-text strong {
    color: var(--text-color);
    font-weight: 700;
}


.support-section {
    min-height: 100vh;
    padding: 8rem 0;
    text-align: center;
}

.support-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.support-text {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 4rem;
}


.funding {
    margin: 4rem 0;
}

.progress-container {
    max-width: 500px;
    margin: 0 auto;
    height: 40px;
    background-color: var(--border);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent) 0%, #ff4444 100%);
    border-radius: 20px;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-info {
    margin-top: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.current-amount {
    color: var(--accent);
}

.target-amount {
    color: var(--text-secondary);
}

.funding-description {
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-info {
    margin: 4rem 0;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.contact-info a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.contact-info a:hover {
    opacity: 0.7;
}

.coming-soon {
    color: var(--text-secondary);
    font-style: italic;
}

.donate-section {
    margin-top: 3rem;
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    background-color: var(--border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--text-secondary);
}

.qr-placeholder p {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-color);
}

.qr-placeholder small {
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.donate-btn {
    padding: 1.2rem 3rem;
    background-color: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.donate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
}

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .content-section {
        padding: 5rem 0;
    }
    
    .theme-toggle {
        top: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}