/*
Theme Name: JENWNET
Theme URI: https://jenwnet.cn
Author: JENWNET
Author URI: https://jenwnet.cn
Description: A clean, modern, SEO-optimized official website theme for JENWNET. Built for optimal performance, Amazon crawler compatibility, and full WordPress block editor support.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: jenwnet
Tags: one-column, custom-menu, featured-images, theme-options, translation-ready, block-patterns, full-width-template
*/

:root {
    --color-primary: #1a56db;
    --color-primary-dark: #1042a3;
    --color-secondary: #0f172a;
    --color-accent: #3b82f6;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-bg: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-alt: #f1f5f9;
    --color-border: #e2e8f0;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --max-width: 1200px;
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-secondary);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo a {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.site-logo a span {
    color: var(--color-primary);
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.main-navigation li a {
    display: inline-block;
    padding: 8px 18px;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.main-navigation li a:hover,
.main-navigation li.current-menu-item a,
.main-navigation li.current_page_item a {
    color: var(--color-primary);
    background-color: #eff6ff;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1e3a5f 50%, var(--color-primary-dark) 100%);
    color: #ffffff;
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-section h1 {
    font-size: 3.25rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-section p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    color: #ffffff;
}

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

.btn-outline-blue:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

/* ===== FEATURES / SECTIONS ===== */
.section {
    padding: 80px 0;
}

.section-light {
    background-color: var(--color-bg-light);
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all 0.25s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-accent);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: #eff6ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    color: #ffffff;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background-color: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
}

.cta-section .btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== PAGE CONTENT ===== */
.page-content {
    padding: 60px 0;
}

.page-header-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1e3a5f 100%);
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

.page-header-section h1 {
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.page-header-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border);
}

.content-wrapper h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.375rem;
}

.content-wrapper ul,
.content-wrapper ol {
    margin-bottom: 1.25rem;
}

.content-wrapper li {
    margin-bottom: 0.5rem;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--color-bg-light);
    border-radius: var(--radius);
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s ease;
}

.contact-info-list li:hover {
    box-shadow: var(--shadow-md);
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: #eff6ff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact-info-text h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--color-secondary);
}

.contact-info-text p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

.contact-info-text a {
    color: var(--color-primary);
}

.contact-form-wrapper {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px;
}

.contact-form-wrapper h2 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 6px;
    color: var(--color-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.9375rem;
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

/* ===== FOOTER ===== */
.site-footer {
    background-color: var(--color-secondary);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-brand h3 span {
    color: var(--color-accent);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color 0.2s ease;
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: #ffffff;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}

.footer-bottom p {
    margin: 0;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-text-light);
}

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

.breadcrumb span {
    margin: 0 8px;
}

/* ===== EDITOR CONTENT ===== */
.entry-content {
    line-height: 1.8;
}

.entry-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.entry-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.entry-content p {
    margin-bottom: 1.25rem;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1.25rem;
}

.entry-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--color-bg-light);
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* ===== 404 ===== */
.error-404 {
    text-align: center;
    padding: 120px 0;
}

.error-404 h1 {
    font-size: 6rem;
    color: var(--color-border);
    margin-bottom: 16px;
}

.error-404 p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.375rem; }

    .hero-section {
        padding: 60px 0 50px;
    }

    .hero-section h1 {
        font-size: 2.25rem;
    }

    .hero-section p {
        font-size: 1.0625rem;
    }

    .section {
        padding: 56px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        padding: 16px 0;
    }

    .main-navigation.active {
        display: block;
    }

    .main-navigation ul {
        flex-direction: column;
        gap: 0;
    }

    .main-navigation li a {
        display: block;
        padding: 12px 24px;
        border-radius: 0;
    }

    .page-header-section {
        padding: 40px 0;
    }

    .page-header-section h1 {
        font-size: 2rem;
    }

    .cta-section {
        padding: 56px 0;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-section h1 {
        font-size: 1.875rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9375rem;
    }
}