:root {
    --primary: #8BC34A;
    --primary-dark: #689f38;
    --primary-glow: rgba(139, 195, 74, 0.4);
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-darker);
    background-image: radial-gradient(circle at 50% 0%, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background decorative glows */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.15;
    border-radius: 50%;
}

.glow-1 {
    top: -200px;
    left: -200px;
}

.glow-2 {
    bottom: -200px;
    right: -200px;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 2rem;
    z-index: 1;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Logo Extraction and 3D Effect */
.logo-wrapper {
    margin-bottom: 2rem;
}

.logo-container {
    width: 280px;
    height: 153px;
    background-image: url('images/logo.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    filter: drop-shadow(0 10px 20px var(--primary-glow));
    transition: transform 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    cursor: pointer;
}

.logo-container:hover {
    transform: rotateY(360deg);
}

.content {
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
}

.greeting {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary);
    letter-spacing: -0.5px;
}

p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

strong {
    color: var(--text-main);
    font-weight: 600;
}

.text-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.text-link:hover {
    border-bottom-color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

.signature {
    margin-top: 2rem;
    font-style: italic;
    color: var(--text-main);
}

.actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn svg {
    transition: transform 0.3s ease;
}

.btn:hover svg {
    transform: scale(1.1);
}

.btn-primary {
    background: #25D366; /* WhatsApp Green */
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px -10px rgba(37, 211, 102, 0.5);
}

.btn-primary:hover {
    background: #1da851;
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -10px rgba(37, 211, 102, 0.6);
}

.btn-secondary {
    background: rgba(139, 195, 74, 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
    box-shadow: 0 10px 20px -10px var(--primary-glow);
}

.btn-secondary:hover {
    background: rgba(139, 195, 74, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -10px var(--primary-glow);
}

@media (max-width: 768px) {
    .card {
        padding: 2rem 1.5rem;
    }
    
    .greeting {
        font-size: 2rem;
    }
    
    .actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
}