/* ==================== Global Styles ==================== */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --bg-dark: #0a0a0f;
    --bg-darker: #05050a;
    --bg-card: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b7280;
    --border-color: #1f1f2e;
    --gradient-1: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-2: linear-gradient(135deg, #7c3aed 0%, #f59e0b 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.lang-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: var(--border-color);
    border-color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient-1);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    bottom: -150px;
    left: -150px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, 30px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.tech-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    animation: floatCard 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 2rem;
}

.floating-card .card-text {
    font-weight: 600;
}

.card-1 {
    top: 20%;
    left: 10%;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: 30%;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ==================== Features Section ==================== */
.features {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
}

.feature-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: var(--bg-dark);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* ==================== Stats Section ==================== */
.stats {
    background: var(--bg-darker);
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ==================== CTA Section ==================== */
.cta-section {
    padding: 6rem 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-contact li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.contact-icon {
    font-size: 1.125rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ==================== Page Header ==================== */
.page-header {
    padding: 8rem 0 4rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

/* ==================== About Page ==================== */
.about-content {
    padding: 6rem 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 6rem;
}

.intro-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.intro-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.intro-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.visual-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

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

.visual-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.visual-card p {
    color: var(--text-secondary);
}

.values-section {
    margin-bottom: 6rem;
}

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

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}

.value-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.value-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.value-card p {
    color: var(--text-secondary);
}

.industry-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
}

.industry-main {
    margin-bottom: 2rem;
}

.industry-main h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.industry-main p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* ==================== Services Page ==================== */
.services-section {
    padding: 6rem 0;
}

.services-grid-large {
    display: grid;
    gap: 2rem;
}

.service-card-large {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s;
}

.service-card-large:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-icon-large {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-icon-large svg {
    width: 36px;
    height: 36px;
    color: var(--bg-dark);
}

.service-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.service-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.process-section {
    background: var(--bg-darker);
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.process-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.process-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    flex: 1;
    min-width: 180px;
    max-width: 200px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.process-step h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.process-arrow {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
}

/* ==================== Contact Page ==================== */
.contact-section {
    padding: 6rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    color: var(--bg-dark);
}

.contact-item-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-item-content p,
.contact-item-content a {
    color: var(--text-secondary);
    text-decoration: none;
}

.contact-item-content a:hover {
    color: var(--primary-color);
}

.business-hours {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
}

.business-hours h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.business-hours p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
}

.contact-form-wrapper h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10b981;
    color: #10b981;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
    display: block;
}

.map-section {
    padding: 6rem 0;
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.map-placeholder {
    margin-top: 3rem;
    height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.map-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.map-info {
    text-align: center;
    padding: 2rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.map-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.map-info p {
    color: var(--text-secondary);
}

/* ==================== Legal Pages ==================== */
.legal-content {
    padding: 4rem 0;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.legal-section li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.contact-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 1.5rem;
}

.contact-box p {
    margin-bottom: 0.75rem;
}

.contact-box strong {
    color: var(--text-primary);
}

.contact-box a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-box a:hover {
    text-decoration: underline;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-darker);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
    }

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

    .hamburger {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-intro {
        grid-template-columns: 1fr;
    }

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

    .process-arrow {
        display: none;
    }

    .process-grid {
        flex-direction: column;
    }

    .process-step {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}