/* Variables */
:root {
    --bg: #0f172a;
    --panel: #0b1220;
    --muted: #94a3b8;
    --muted-2: #c7d2fe;
    --accent-500: #a855f7;
    --accent-600: #6366f1;
    --accent-700: #4338ca;
    --card-glow: rgba(99, 102, 241, 0.25);
    --glass: rgba(99, 102, 241, 0.1);
    --radius-lg: 16px;
    --fw-bold: 700;
    --container: 1100px;
}

/* Base */
body {
    font-family: 'Poppins', sans-serif;
    background: radial-gradient(circle at top left, #0b1120, #0f172a 60%);
    color: var(--muted-2);
    margin: 0;
    padding: 0;
    line-height: 1.7;
    overflow-x: hidden;
}

/* Smooth Fade */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }
.fade-in:nth-child(6) { animation-delay: 0.6s; }
.fade-in:nth-child(7) { animation-delay: 0.7s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 60px;
}

.header h1 {
    font-size: 2.5rem;
    margin: 0 0 10px 0;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: var(--fw-bold);
}

@media (min-width: 600px) {
    .header h1 {
        font-size: 3.5rem;
    }
}

.header p {
    font-size: 1.2rem;
    color: var(--muted);
    margin: 0;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content */
.content {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px 80px;
}

/* Gratitude Sections */
.gratitude-section {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.gratitude-section h2 {
    font-size: 1.8rem;
    margin: 0 0 20px 0;
    color: var(--muted-2);
    font-weight: var(--fw-bold);
}

.gratitude-section p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--muted);
}

/* Highlight */
.highlight {
    color: #a855f7;
    font-weight: 600;
}

/* Escape button */
.escape {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    color: var(--muted-2);
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.escape:hover {
    background: rgba(168, 85, 247, 0.2);
    border-color: rgba(168, 85, 247, 0.3);
    transform: scale(1.1);
}

/* Thank you message */
.thank-you-message {
    text-align: center;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    margin-top: 60px;
}

.thank-you-message p {
    font-size: 1.3rem;
    color: var(--muted-2);
    margin: 0;
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }

    .header p {
        font-size: 1rem;
    }

    .gratitude-section {
        padding: 25px;
    }

    .gratitude-section h2 {
        font-size: 1.4rem;
    }

    .gratitude-section p {
        font-size: 1rem;
    }

    .thank-you-message {
        padding: 30px 20px;
    }

    .thank-you-message p {
        font-size: 1.1rem;
    }
}