/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #0f0f13;
    --surface: #1a1a24;
    --surface-hover: #22222f;
    --border: rgba(255, 255, 255, 0.07);
    --text: #e8e8f0;
    --text-muted: #8888a8;
    --radius: 16px;
    --transition: 0.25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem 4rem;
    position: relative;
    overflow-x: hidden;
}

/* ===== BACKGROUND GLOW ===== */
.background-blur {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 60% 40% at 20% 10%, rgba(99, 102, 241, 0.15), transparent),
        radial-gradient(ellipse 50% 40% at 80% 80%, rgba(14, 165, 233, 0.10), transparent);
    pointer-events: none;
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: 3.5rem;
    margin-top: 2rem;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #0ea5e9);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.2rem;
    letter-spacing: 1px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    background: linear-gradient(90deg, #e8e8f0 30%, #8888a8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 1rem;
    letter-spacing: 0.5px;
}

/* ===== MAIN CONTENT ===== */
main {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

/* ===== CATEGORY SECTION ===== */
section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.category-title {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ===== CARD ===== */
.card {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    text-decoration: none;
    color: inherit;
    transition: background var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    opacity: 0;
    transition: opacity var(--transition);
    background: linear-gradient(135deg, var(--accent, #6366f1) 0%, transparent 60%);
}

.card:hover {
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.card:hover::before {
    opacity: 0.07;
}

.card:active {
    transform: translateY(0);
}

/* ===== CARD ICON ===== */
.card-icon {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent, #6366f1);
    transition: background var(--transition);
}

.card:hover .card-icon {
    background: rgba(255, 255, 255, 0.09);
}

/* ===== CARD BODY ===== */
.card-body {
    flex: 1;
    min-width: 0;
}

.card-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ===== CARD ARROW ===== */
.card-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: transform var(--transition), color var(--transition);
}

.card:hover .card-arrow {
    transform: translateX(4px);
    color: var(--accent, #6366f1);
}

/* ===== FOOTER ===== */
footer {
    margin-top: auto;
    padding-top: 3rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    body {
        padding: 1.5rem 0.75rem 3rem;
    }

    .card-body p {
        display: none;
    }
}