/* Alpha Classes Design System
   Controls: Colors, Typography, Buttons, Layout, Brand Identity
*/

:root {
    /* 3. Color Palette */
    /* Primary Brand Colors */
    --color-primary: #0B3C5D;
    /* Deep Royal Blue */
    --color-accent: #F4B400;
    /* Amber / Gold */

    /* Backgrounds */
    --color-bg: #FFFFFF;
    --color-bg-soft: #F6F8FA;
    /* Light Gray */

    /* Text Colors */
    --text-primary: #1A1A1A;
    --text-secondary: #555555;
    --text-muted: #777777;

    /* Status Colors */
    --color-success: #16A34A;
    --color-warning: #F59E0B;
    --color-error: #DC2626;

    /* Border Color */
    --border-color: #e2e8f0;

    /* 2. Typography System */
    --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Font Scale */
    --font-h1: 2.4rem;
    --font-h2: 2.0rem;
    --font-h3: 1.6rem;
    --font-body: 1rem;
    --font-small: 0.875rem;
    --font-btn: 0.95rem;

    /* Line Heights */
    --lh-heading: 1.3;
    --lh-body: 1.7;

    /* 5. Spacing & Layout Rhythm */
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 24px;
    --spacing-4: 32px;
    --spacing-6: 48px;
    --spacing-8: 64px;

    /* Containers */
    --container-max: 1200px;
    --container-padding: 24px;

    /* 6. Card & Surface Styles */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;

    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.06);
}

@media (max-width: 768px) {
    :root {
        --font-h1: 1.8rem;
        --font-h2: 1.4rem;
        --font-h3: 1.25rem;
        --spacing-6: 32px;
        --spacing-8: 48px;
    }

    .btn {
        width: 100%;
        /* Full width buttons on mobile */
        justify-content: center;
    }
}

/* 7. Step 2: Normalize Base Elements */
body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--color-bg);
    line-height: var(--lh-body);
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: var(--lh-heading);
    color: var(--text-primary);
    margin-top: 0;
}

h1 {
    font-size: var(--font-h1);
    font-weight: 700;
}

h2 {
    font-size: var(--font-h2);
}

h3 {
    font-size: var(--font-h3);
}

p {
    margin-bottom: var(--spacing-2);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

/* Utility Classes */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* 4. Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: var(--font-btn);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-align: center;
    text-decoration: none;
}

/* Primary Button (Main CTA) */
.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #082d46;
    /* Slightly darker manually calculated or imply filter */
    filter: brightness(0.9);
    color: white;
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: rgba(11, 60, 93, 0.05);
}

/* Accent Button */
.btn-accent {
    background-color: var(--color-accent);
    color: var(--text-primary);
    /* "Dark" as requested */
}

/* Card Style */
.card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-3);
    /* Default padding, adjustable */
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
}