/* =============================================
   TADAPLAYGAME.IT - Main Styles
   ============================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Baloo+Thambi+2:wght@400;500;600;700&family=Roboto+Slab:wght@400;500&family=Roboto:wght@300;400;500;700&display=swap');

/* CSS Variables - Design System */
:root {
    /* Colors */
    --color-primary: #397FE7;
    --color-secondary: #5598FB;
    --color-accent-green: #89BE30;
    --color-header-purple: #8E3D90;
    --color-footer: #1A1B32;
    --color-background-light: #F7F7F7;
    --color-white: #FFFFFF;
    --color-black: #1A1B32;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E0E0E0;
    --color-error: #E74C3C;
    --color-success: #27AE60;

    /* Typography */
    --font-heading: 'Baloo Thambi 2', cursive;
    --font-subheading: 'Roboto Slab', serif;
    --font-body: 'Roboto', sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Border Radius */
    --radius-small: 8px;
    --radius-medium: 15px;
    --radius-large: 30px;
    --radius-full: 100px;

    /* Shadows */
    --shadow-light: 0 0 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

.subtitle {
    font-family: var(--font-subheading);
    font-weight: 400;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--container-padding);
}

/* Sections */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-2 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.col-3 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: 0 15px;
}

.col-4 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 15px;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

/* Background Colors */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--color-background-light); }
.bg-white { background-color: var(--color-white); }
.bg-purple { background-color: var(--color-header-purple); }
.bg-green { background-color: var(--color-accent-green); }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-white { color: var(--color-white); }
.text-light { color: var(--color-text-light); }
.text-purple { color: var(--color-header-purple); }
.text-green { color: var(--color-accent-green); }

/* Visibility */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}