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

:root {
    --primary-color: #0066ff;
    --secondary-color: #00d4ff;
    --dark-bg: #0a0e27;
    --darker-bg: #050814;
    --text-light: #ffffff;
    --text-gray: #b8c5d6;
    --gradient-1: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, #1a1f3a 0%, #0a0e27 100%);
    --card-bg: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', 'Poppins', sans-serif;
    background-color: var(--darker-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 102, 255, 0.1);
}

.navbar.scrolled {
    background-color: rgba(10, 14, 39, 0.98);
    box-shadow: 0 2px 30px rgba(0, 102, 255, 0.2);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.logo-en {
    font-family: 'Poppins', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.logo-zh {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 500;
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-main {
    display: block;
    font-size: 4rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.title-sub {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--text-gray);
    font-weight: 400;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-light);
    box-shadow: 0 5px 20px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-gray);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--secondary-color);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* Section Styles */
section {
    padding: 6rem 0;
}

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

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

.title-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-1);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
}

/* About Section */
.about {
    background: var(--dark-bg);
}

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

.about-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
}

.about-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
    border-color: var(--primary-color);
}

.about-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.about-icon svg {
    width: 32px;
    height: 32px;
}

.about-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.about-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

.company-info {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.company-info p {
    color: var(--text-gray);
    line-height: 2;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.company-info p:last-child {
    margin-bottom: 0;
}

/* Services Section */
.services {
    background: var(--darker-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 102, 255, 0.2);
}

.service-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: 1rem;
    font-family: 'Poppins', sans-serif;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.service-card > p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--text-gray);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Technology Section */
.technology {
    background: var(--dark-bg);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tech-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.15);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.tech-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.tech-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.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;
    font-family: 'Poppins', sans-serif;
}

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

/* Contact Section */
.contact {
    background: var(--darker-bg);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.info-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.info-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.info-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

.info-content a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-form {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.footer-text p {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }

    .tech-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 1rem;
    }

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

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

    .title-sub {
        font-size: 1.1rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

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

    .about-grid,
    .services-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .tech-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
    }
}