/* Light blue theme for portfolio page */
:root {
    --bg: #e8f4ff;
    --surface: #ffffff;
    --surface-strong: #d7ecff;
    --text: #0f3c68;
    --text-muted: #4c6d8b;
    --accent: #5a9cf8;
    --border: rgba(90, 156, 248, 0.25);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(180deg, #f1f8ff 0%, #e4f1ff 100%);
    color: var(--text);
    padding: 2rem;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(90, 156, 248, 0.15), transparent 26%),
                radial-gradient(circle at bottom right, rgba(10, 75, 166, 0.12), transparent 20%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: 0 28px 60px rgba(15, 60, 104, 0.08);
    padding: 2rem;
}

h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0 0 0.5rem;
    color: #0d3b6a;
}

h2 {
    font-size: 1.4rem;
    margin: 1.75rem 0 0.75rem;
    color: var(--accent);
}

p {
    color: var(--text-muted);
    line-height: 1.75;
    margin: 0;
}

.list-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.25rem 1.5rem;
}

ol {
    margin: 1rem 0 0;
    padding-left: 1.35rem;
    color: var(--text);
}

li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

li::marker {
    color: var(--accent);
    font-weight: 700;
}

footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(15, 60, 104, 0.08);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.content-wrapper {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.sidebar {
    flex: 0 0 220px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 20px;
}

.sidebar h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem;
    color: var(--accent);
}

.sidebar p {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text);
    word-break: break-word;
}

.main-content {
    flex: 1;
    min-width: 0;
}

@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 1.5rem;
    }

    .content-wrapper {
        flex-direction: column;
        gap: 1.5rem;
    }

    .sidebar {
        flex: 1;
        position: static;
    }
}