/* CSS Styles for JX Accounting & Tax */

:root {
    --primary-dark: #0B192C;
    --primary-blue: #1E3E62;
    --accent-blue: #007BFF;
    --light-blue: #E8F1F5;
    --text-color: #333333;
    --text-muted: #666666;
    --white: #FFFFFF;
    --bg-light: #F8FAFC;
    --border-color: #E2E8F0;
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
.navbar {
    background-color: var(--primary-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.logo-accent {
    color: #38BDF8;
}

.nav-menu {
    display: flex;
    gap: 25px;
    align-items: center;
}

.nav-link {
    color: #CBD5E1;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--white);
}

.btn-nav {
    background-color: var(--accent-blue);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 6px;
}

.btn-nav:hover {
    background-color: #0056b3;
}

/* Mobile Nav Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 100px 0 90px;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #94A3B8;
    max-width: 750px;
    margin: 0 auto 35px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 1px solid #64748B;
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn-full {
    width: 100%;
}

/* Trust Bar */
.trust-bar {
    background-color: var(--light-blue);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    text-align: center;
}

.trust-item h3 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.trust-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Sections */
.section {
    padding: 80px 0;
}

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

.bg-dark {
    background-color: var(--primary-dark);
}

.text-white {
    color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.section-title .subtitle {
    font-size: 1.1rem;
    color: var(--accent-blue);
    font-weight: 500;
}

.section-title-white h2 {
    color: var(--white);
}

.subtitle-white {
    color: #38BDF8;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    margin-bottom: 18px;
    font-size: 1.05rem;
    color: #475569;
}

.about-card {
    background-color: var(--bg-light);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.about-card h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 15px;
    color: #334155;
    font-size: 0.95rem;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 35px 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.07);
    border-color: var(--accent-blue);
}

.service-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.service-zh {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Clients Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.client-box {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    padding: 25px 20px;
    border-radius: 8px;
    text-align: center;
    position: relative;
}

.client-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-blue);
    margin-bottom: 10px;
}

.client-box h4 {
    font-size: 1.05rem;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.client-box p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-desc {
    color: #94A3B8;
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.info-icon {
    font-size: 1.5rem;
    background-color: rgba(255,255,255,0.1);
    padding: 10px;
    border-radius: 8px;
}

.contact-link {
    color: #38BDF8;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-card-box {
    background-color: var(--white);
    color: var(--text-color);
    padding: 35px;
    border-radius: 12px;
}

.contact-card-box h3 {
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #475569;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Footer */
.footer {
    background-color: #050C1A;
    color: #64748B;
    padding: 25px 0;
    border-top: 1px solid #1E293B;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    margin: 0 5px;
}

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

/* Responsive Styles */
@media (max-width: 900px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}