/* NumberDetails.com - Blue Professional Theme */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #1e3a8a;
    --accent: #60a5fa;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
}

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

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-tagline {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 400;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.main-nav a:hover {
    opacity: 1;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: 4rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

/* Search Form */
.search-box {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    max-width: 700px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: 1rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.search-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.trust-badge i {
    font-size: 1.25rem;
}

/* Stats Bar */
.stats-bar {
    background: var(--white);
    padding: 2rem 0;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

.stat-item p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 3rem;
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--gray-200);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--gray-600);
}

/* Landing Page Specific */
.landing-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 3rem 0 4rem;
}

.landing-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.breadcrumbs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    opacity: 0.8;
}

.breadcrumbs a {
    color: var(--white);
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.content-section {
    padding: 3rem 0;
    background: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.main-content h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    font-weight: 700;
}

.main-content p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
}

.sidebar-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.related-links {
    list-style: none;
}

.related-links li {
    margin-bottom: 0.5rem;
}

.related-links a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.related-links a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

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

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.site-footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .main-nav {
        display: none;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Dynamic Page Styles */

/* Detail Cards */
.detail-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.detail-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-card h2 i {
    color: var(--primary);
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.detail-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-200);
}

.detail-table td:first-child {
    width: 40%;
    color: var(--gray-600);
}

.detail-table a {
    color: var(--primary);
    text-decoration: none;
}

.detail-table a:hover {
    text-decoration: underline;
}

/* Number Grid */
.number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
}

.number-block {
    display: block;
    padding: 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: var(--gray-700);
    transition: all 0.2s;
}

.number-block:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.block-range {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Sample Numbers */
.sample-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.sample-number {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.sample-number:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Prefix Grid */
.prefix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
}

.prefix-link {
    display: block;
    padding: 0.5rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    text-align: center;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.prefix-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Area Code Grid (Homepage) */
.area-code-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.area-code-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 600;
    font-size: 1.25rem;
    transition: all 0.2s;
}

.area-code-link span {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.area-code-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.area-code-link:hover span {
    color: rgba(255, 255, 255, 0.8);
}

/* Popular Area Codes Section */
.popular-area-codes {
    padding: 4rem 0;
    background: var(--gray-50);
}

/* Safety Tips */
.safety-tips {
    background: var(--gray-50);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.safety-tips h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.safety-tips ul {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--gray-600);
}

.safety-tips li {
    margin-bottom: 0.25rem;
}

/* Related Links in Sidebar */
.related-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-links li {
    border-bottom: 1px solid var(--gray-200);
}

.related-links li:last-child {
    border-bottom: none;
}

.related-links a {
    display: block;
    padding: 0.75rem 0;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.related-links a:hover {
    color: var(--primary);
}

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

/* Popular Area Codes Responsive */
@media (max-width: 768px) {
    .area-code-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .number-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .prefix-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}