/* =============================================
   YKGNC Resume Builder - Professional Theme
   Navy Blue #1B365D | White | Gold #D4A017
   ============================================= */

:root {
    --primary: #1B365D;
    --primary-dark: #142845;
    --primary-light: #2a4a7f;
    --accent: #D4A017;
    --accent-light: #e6b82a;
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 8px;
    --radius-lg: 12px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }
img { max-width: 100%; }
ul, ol { padding-left: 1.5rem; }
li { margin-bottom: 0.5rem; }

/* =============================================
   HEADER / NAVBAR
   ============================================= */

header, .navbar {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content, .navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span { color: var(--accent); }
.logo a { color: var(--white); }

nav ul, .navbar ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

nav a, .navbar ul a {
    color: var(--white);
    font-weight: 500;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

nav a:hover, nav a.active, .navbar ul a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

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

/* =============================================
   MAIN CONTAINER
   ============================================= */

main { flex: 1; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

main.container { padding: 3rem 1.5rem; }

/* =============================================
   HERO
   ============================================= */

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 4rem 1.5rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero h1 span { color: var(--accent); }

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

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

.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

/* =============================================
   SECTIONS
   ============================================= */

.section {
    padding: 4rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.features {
    background: var(--off-white);
    padding: 4rem 1.5rem;
}

/* =============================================
   GRIDS & CARDS
   ============================================= */

.cards-grid, .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--gray-500);
    font-size: 0.9rem;
    flex: 1;
}

.card .card-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--accent);
    font-weight: 600;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* =============================================
   STATS
   ============================================= */

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 2rem;
}

.stat { text-align: center; }

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label { color: var(--gray-500); }

/* =============================================
   TOOL PAGE
   ============================================= */

.tool-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-header h1 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.tool-form {
    background: var(--off-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,54,93,0.1);
}

.form-group textarea { min-height: 100px; resize: vertical; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Output */
.output-section {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 2rem;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.output-content {
    background: var(--off-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    font-family: 'Georgia', serif;
    line-height: 1.8;
    white-space: pre-wrap;
    min-height: 200px;
}

/* =============================================
   CONTENT PAGES (about, contact, privacy, etc.)
   ============================================= */

.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem;
}

.content h1 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.content h2 {
    color: var(--primary);
    margin: 2rem 0 0.75rem;
    font-size: 1.4rem;
}

.content h3 {
    color: var(--gray-700);
    margin: 1.5rem 0 0.5rem;
}

.content p {
    line-height: 1.8;
    margin: 0.75rem 0;
    color: var(--gray-700);
}

.content ul, .content ol { margin: 1rem 0 1.5rem; }
.content li { margin: 0.5rem 0; color: var(--gray-700); }

.content form { margin-top: 1.5rem; }
.content input, .content textarea, .content select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    margin: 0.5rem 0;
    background: var(--white);
}
.content input:focus, .content textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,54,93,0.1);
}
.content button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}
.content button:hover { background: var(--primary-dark); }

/* =============================================
   BREADCRUMB
   ============================================= */

.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
    color: var(--gray-500);
}
.breadcrumb a { color: var(--primary); }

/* =============================================
   ARTICLE CONTENT
   ============================================= */

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.article-content h1 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.article-content .meta {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.article-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.article-content h2 {
    color: var(--primary);
    font-size: 1.5rem;
    margin: 2.5rem 0 1rem;
}

.article-content h3 {
    color: var(--gray-700);
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
}

.article-content img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.related-tools {
    background: var(--off-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-top: 3rem;
}

.related-tools h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.related-tools ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
}

.related-tools a {
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    font-size: 0.9rem;
}

.related-tools a:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--primary);
}

/* =============================================
   CHECKBOX / TAG
   ============================================= */

.checkbox-group { display: flex; flex-wrap: wrap; gap: 1rem; }

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] { width: auto; }

.tag-container {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    padding: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: var(--white);
}

.tag {
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* =============================================
   RESUME PREVIEW
   ============================================= */

.resume-preview {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.5;
}

.resume-preview .header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
}

.resume-preview .name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.resume-preview .contact-info { color: var(--gray-600); font-size: 0.9rem; }

.resume-preview h2 {
    color: var(--primary);
    font-size: 1.1rem;
    border-bottom: 1px solid var(--gray-300);
    padding-bottom: 0.25rem;
    margin: 1.5rem 0 0.75rem;
}

.resume-preview .entry { margin-bottom: 1rem; }

.resume-preview .entry-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
}

.resume-preview .entry-subtitle {
    color: var(--gray-500);
    font-style: italic;
}

/* =============================================
   FOOTER
   ============================================= */

footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 1.5rem 1.5rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li { margin-bottom: 0.5rem; }

.footer-section a { color: var(--gray-300); }
.footer-section a:hover { color: var(--accent); }

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--primary-light);
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* =============================================
   404 / ERROR
   ============================================= */

.not-found, .error-page {
    text-align: center;
    padding: 5rem 1.5rem;
}

.not-found h1, .error-page h1 {
    font-size: 5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.not-found h2, .error-page h2 {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.error-page h1 { font-size: 6rem; }

/* =============================================
   UTILITIES
   ============================================= */

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* =============================================
   GOOGLE ADSENSE PLACEHOLDER
   ============================================= */

.ad-placeholder {
    background: var(--off-white);
    border: 1px dashed var(--gray-300);
    padding: 1rem;
    text-align: center;
    color: var(--gray-400);
    margin: 1rem 0;
}

.ad-container {
    margin: 2rem auto;
    max-width: 728px;
    text-align: center;
}

/* =============================================
   MOBILE RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
    .header-content, .navbar .container {
        flex-wrap: wrap;
    }
    
    nav ul, .navbar ul {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 1rem 0;
        gap: 1rem;
    }
    
    nav ul.active, .navbar ul.active {
        display: flex;
    }
    
    .mobile-menu-btn { display: block; }
    
    .hero h1 { font-size: 1.8rem; }
    .hero { padding: 2.5rem 1.5rem; }
    
    .section { padding: 2.5rem 1rem; }
    .section-title { font-size: 1.6rem; }
    
    .stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .cards-grid, .grid {
        grid-template-columns: 1fr;
    }
    
    .form-row { grid-template-columns: 1fr; }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .not-found h1, .error-page h1 { font-size: 3.5rem; }
}

/* =============================================
   PRINT STYLES
   ============================================= */

@media print {
    header, footer, nav, .btn, .ad-placeholder, .tool-form { display: none !important; }
    .output-content { border: none; box-shadow: none; padding: 0; }
    body { color: #000; }
}

/* Ensure navbar .container works */
.navbar .container, .navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar {
    background: var(--primary);
    color: var(--white);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

/* Generator output */
#output, .output, .resume-output {
    background: var(--off-white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 1.5rem;
    min-height: 200px;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
}

#output:empty, .output:empty { display: none; }