:root {
    --mint: #68DDBA;
    --purple: #2B1190;
    --white: #ffffff;
    --light-purple: #f9f8fc;
    --gray: #666666;
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--white);
    background: linear-gradient(135deg, var(--purple) 0%, #3d2ab8 40%, #58a9a5 70%, var(--mint) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(104, 221, 186, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

body::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(43, 17, 144, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-30px) translateX(20px);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    padding: 2rem 0;
}

.logo {
    max-width: 180px;
    height: auto;
    filter: brightness(0) invert(1);
}

/* Main */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Hero Section */
.hero {
    padding: 3rem 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    text-align: center;
    padding: 3rem 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.subheadline {
    font-size: 1.25rem;
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.support-btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    background: var(--mint);
    color: var(--purple);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.support-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(104, 221, 186, 0.5);
}

/* Hero Illustration */
.hero-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.illustration {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.2));
    background-color: transparent;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
}

footer p {
    color: var(--white);
    opacity: 0.7;
    font-size: 0.875rem;
    margin: 0;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--white);
    transition: all 0.3s ease;
    opacity: 0.8;
}

.social-links a:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.social-links a:focus {
    outline: 2px solid var(--mint);
    outline-offset: 4px;
    border-radius: 4px;
}

.social-links svg {
    width: 24px;
    height: 24px;
}

/* Desktop Layout */
@media (min-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }

    .hero-content {
        text-align: left;
    }

    h1 {
        font-size: 3rem;
    }

    body::before {
        width: 700px;
        height: 700px;
    }

    body::after {
        width: 600px;
        height: 600px;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 3.5rem;
    }

    .subheadline {
        font-size: 1.375rem;
    }
}