:root {
    --bg: #f0f7ff;
    --text: #1e3a8a;
    --link: #2563eb;
    --card-bg: white;
    --footer-text: #6b7280;
    --hover-bg: #e0e7ff;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --text: #cbd5e1;
    --link: #60a5fa;
    --card-bg: #1e293b;
    --footer-text: #94a3b8;
    --hover-bg: #334155;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
}

body {
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    transition: background 0.3s ease;
    color: var(--text);
}

/* Toggle Theme */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 3;
}

.theme-toggle button {
    padding: 8px 14px;
    background: var(--card-bg);
    border: 1px solid #ccc;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text);
    font-weight: 500;
    transition: background 0.2s;
}

.theme-toggle button:hover {
    background: var(--hover-bg);
}

/* Card */
.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    width: 800px;
    max-width: 100%;
    overflow: hidden;
    text-align: center;
    z-index: 2;
    transition: background 0.3s ease;
}

.card-header {
    background: linear-gradient(to right, #2563eb, #3b82f6);
    color: white;
    padding: 40px 20px 25px;
}

.card-header h1 {
    margin-bottom: 5px;
    font-size: 32px;
    font-weight: 600;
}

.card-header p {
    font-size: 16px;
    opacity: 0.9;
}

.card-body {
    display: flex;
    justify-content: space-between;
    padding: 30px 40px;
    text-align: left;
    gap: 40px;
}

.left-column,
.right-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    transition: background 0.2s;
}

.info a {
    color: var(--link);
    text-decoration: none;
    word-break: break-word;
}

.info a:hover {
    text-decoration: underline;
}

.icon {
    font-size: 18px;
}

.card-footer {
    padding: 20px;
    font-size: 14px;
    color: var(--footer-text);
    border-top: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cv-button {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}

.cv-button:hover {
    background: #1d4ed8;
}

/* Snow */
.snow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("https://cdn.jsdelivr.net/gh/JulianLaval/canvas-snow/snow.png");
    background-repeat: repeat;
    background-size: contain;
    pointer-events: none;
    animation: snow-fall 60s linear infinite;
    z-index: 1;
}

@keyframes snow-fall {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 1000px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        flex-direction: column;
        gap: 30px;
        padding: 20px;
        text-align: center;
    }

    .info {
        justify-content: center;
    }

    .left-column,
    .right-column {
        align-items: center;
    }
}

@media (max-width: 400px) {
    .card-header h1 {
        font-size: 24px;
    }

    .card-header p {
        font-size: 14px;
    }

    .info {
        font-size: 13px;
    }

    .icon {
        font-size: 16px;
    }

    .cv-button {
        width: 100%;
    }
}