/* =============================================
   IQ — Learning Toolkit Hub
   Palette: Pure white, soft mist, minimal
   ============================================= */

:root {
    --white:       #ffffff;
    --mist:        #f7f8fa;
    --cloud:       #eef0f4;
    --ink:         #1a1c20;
    --ink-dim:     #6b7280;
    --ink-faint:   #c4c9d4;
    --accent:      #1a1c20;
    --radius-card: 22px;
    --shadow-soft: 0 2px 16px rgba(0,0,0,0.05);
    --shadow-lift: 0 8px 32px rgba(0,0,0,0.09);
    --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--white);
    color: var(--ink);
    min-height: 100vh;
    padding: 40px 20px 60px;
    overflow-x: hidden;
}

/* ---- Scene wrapper ---- */
#scene {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
}

/* ---- Brand / Logo ---- */
#brand {
    text-align: center;
    opacity: 0;
    animation: fadeUp 0.9s ease 0.1s forwards;
}

#logo-mark {
    font-family: 'Playfair Display', serif;
    font-size: clamp(5rem, 16vw, 8rem);
    font-weight: 700;
    letter-spacing: -4px;
    color: var(--ink);
    line-height: 1;
    user-select: none;
}

#tagline {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 3.5px;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-top: 10px;
}

/* ---- Toolkit nav ---- */
#toolkit {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
}

/* ---- Individual tool cards ---- */
.tool-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    background: var(--white);
    border: 1.5px solid var(--cloud);
    border-radius: var(--radius-card);
    text-decoration: none;
    color: var(--ink);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);

    /* Staggered fade-in via CSS custom property */
    opacity: 0;
    animation: fadeUp 0.6s ease var(--delay, 0.6s) forwards;
}

.tool-card:hover {
    border-color: var(--ink-faint);
    box-shadow: var(--shadow-lift);
    transform: translateY(-2px);
}

.tool-card:hover .tool-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.tool-icon {
    font-size: 1.6rem;
    width: 44px;
    height: 44px;
    background: var(--mist);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition);
}

.tool-card:hover .tool-icon {
    background: var(--cloud);
}

.tool-info {
    flex: 1;
}

.tool-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 2px;
}

.tool-info p {
    font-size: 0.8rem;
    color: var(--ink-dim);
    font-weight: 300;
    line-height: 1.4;
}

.tool-arrow {
    font-size: 1rem;
    color: var(--ink-faint);
    transition: transform var(--transition), opacity var(--transition);
    opacity: 0.4;
}

/* ---- Footer ---- */
#site-footer {
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ink-faint);
    opacity: 0;
    animation: fadeUp 0.6s ease 1.6s forwards;
}

/* ---- Keyframes ---- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    #toolkit {
        gap: 8px;
    }
    .tool-card {
        padding: 15px 18px;
        gap: 14px;
    }
    .tool-icon {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
    }
}