/*
Theme Name: ScholarshipHQ Theme
Theme URI: https://scholarshiphq.co
Description: Custom WordPress theme optimized for ScholarshipHQ - designed for scholarship listings with AdSense integration, fast loading, and mobile-first design.
Version: 1.0.0
Author: ScholarshipHQ Team
Author URI: https://scholarshiphq.co
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: scholarshiphq
Tags: education, scholarships, adsense-ready, responsive, fast-loading

This theme is specifically designed to work with the ScholarLink Pro plugin.
*/

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --primary-color: #2271b1;
    --primary-dark: #135e96;
    --primary-light: #4a9dd6;
    --secondary-color: #46b450;
    --accent-color: #ffb900;
    
    /* Neutrals */
    --white: #ffffff;
    --black: #1d1d1d;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    
    /* Semantic Colors */
    --success: #46b450;
    --warning: #ffb900;
    --error: #dc3545;
    --info: #2271b1;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Layout */
    --header-height: 70px;
    --sidebar-width: 300px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--black);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

a:hover {
    color: var(--primary-dark);
}

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

/* ===== LAYOUT ===== */
.site-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== HEADER ===== */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-logo:hover {
    color: var(--primary-dark);
}

.site-logo-icon {
    font-size: 2rem;
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-navigation a {
    color: var(--gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--primary-color);
    background: var(--gray-100);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
}

.hero-search {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.search-form input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    font-size: 1rem;
    outline: none;
}

.search-form button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--accent-color);
    color: var(--black);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-base);
}

.search-form button:hover {
    background: #e5a700;
}

/* ===== STATS BAR ===== */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ===== ADSENSE ZONES ===== */
.ad-zone {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background: var(--gray-100);
    border: 1px dashed var(--gray-300);
    border-radius: var(--radius-md);
    text-align: center;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-zone-label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Top Leaderboard */
.ad-top-leaderboard {
    max-width: 970px;
    margin: var(--spacing-xl) auto;
    min-height: 90px;
}

/* Sidebar Ads */
.ad-sidebar {
    margin-bottom: var(--spacing-xl);
    min-height: 600px;
}

/* In-Content Ads */
.ad-in-content {
    margin: var(--spacing-xl) auto;
    max-width: 728px;
    min-height: 90px;
}

/* Bottom Banner */
.ad-bottom-banner {
    margin: var(--spacing-2xl) auto;
    max-width: 970px;
    min-height: 90px;
}

/* ===== CONTENT GRID ===== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.main-content {
    min-width: 0; /* Prevents grid blowout */
}

.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    height: fit-content;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.card-title a {
    color: var(--black);
}

.card-title a:hover {
    color: var(--primary-color);
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.card-excerpt {
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: var(--success);
    color: var(--white);
}

.badge-warning {
    background: var(--warning);
    color: var(--black);
}

.badge-error {
    background: var(--error);
    color: var(--white);
}

.badge-info {
    background: var(--info);
    color: var(--white);
}

/* ===== SIDEBAR WIDGETS ===== */
.widget {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.widget-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.widget ul {
    list-style: none;
}

.widget ul li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.widget ul li:last-child {
    border-bottom: none;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-widget-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-widget ul {
    list-style: none;
}

.footer-widget ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-widget a {
    color: var(--gray-300);
}

.footer-widget a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    :root {
        --container-width: 100%;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .main-navigation {
        display: none;
    }
    
    .main-navigation.active {
        display: block;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg);
    }
    
    .main-navigation.active ul {
        flex-direction: column;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-form button {
        width: 100%;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

/* ===== PRINT STYLES ===== */
@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .ad-zone,
    .mobile-menu-toggle {
        display: none;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
}