/* * The AI Fellowship - Main Stylesheet
 * Version: 1.0
 */

/* Font Face Declarations */
@font-face {
    font-family: 'Helvetica Neue Bold';
    src: url('../fonts/helvetica-neue-5/HelveticaNeueBold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Helvetica Neue Regular';
    src: url('../fonts/helvetica-neue-5/HelveticaNeueRoman.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Color Palette */
    --primary-pink: #E44E73;
    --secondary-orange: #EF945E;
    --accent-purple: #9E40A5;
    --light-lavender: #F1E7F7;
    --white: #FFFFFF;
    --black: #000000;
    --teal: #5ECCEC;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-light: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-emphasis: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    --spacing-xxl: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box;
    overflow-x: hidden;
}

body {
    font-family: 'Helvetica Neue Regular', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box;
    padding-top: 72px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Helvetica Neue Bold', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

h1 { font-size: 48px; letter-spacing: -1px; }
h2 { font-size: 36px; }
h3 { font-size: 28px; color: var(--accent-purple); }

/* Override for chapter cards */
.card h3 {
    color: #000000 !important;
}
h4 { font-size: 22px; }

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

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

a:hover { color: var(--accent-purple); }

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.text-center { text-align: center; }
.section-padding { padding: var(--spacing-xxl) 0; }
.bg-lavender { background-color: var(--light-lavender); }
.hidden { display: none !important; }

/* Flex Utilities */
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-md { gap: var(--spacing-md); }

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}