/* Modern CSS Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #0f172a;
    --color-text: #f8fafc;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 800px;
    padding: 2rem;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.5);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.5);
}

.cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.cta-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    width: 100%;
}

.btn-donate {
    background-color: #f7931a;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(247, 147, 26, 0.5);
}

.btn-donate:hover {
    background-color: #e68305;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(247, 147, 26, 0.5);
}

/* Content Sections */
section {
    margin: 4rem 0;
    text-align: left;
}

section h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

section p {
    margin-bottom: 1.5rem;
    color: #cbd5e1;
    font-size: 1.1rem;
}

.intro-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: #e2e8f0;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.highlight-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 1rem;
    margin: 2rem 0;
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #64748b;
}

.social-links {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: #1e293b;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 90%;
    width: 400px;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: white;
}

.address-box {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.75rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.code-font {
    font-family: monospace;
    font-size: 0.9rem;
    color: #cbd5e1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-copy {
    background: var(--color-primary);
    border: none;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.2s;
}

.btn-copy:hover {
    background: var(--color-primary-hover);
}