:root {
    --bg-color: #0b0b0d;
    --bg-secondary: #141416;
    --text-primary: #f2f2f2;
    --text-secondary: #a0a0a0;
    --accent-color: #ff6b00;
    /* Orange Neon */
    --accent-secondary: #ff9e40;
    /* Lighter Orange */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Noto Sans TC', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* Helper Classes */
.center {
    text-align: center;
}

.highlight {
    color: var(--accent-color);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent-color);
    color: #000;
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-heading);
}

.btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.4);
}

.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid var(--text-primary);
    color: var(--text-primary);
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-heading);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(11, 11, 13, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links li a {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-links li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
}

.lang-switch {
    display: flex;
    gap: 10px;
    margin-left: 20px;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: var(--font-heading);
    transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
    border-color: var(--accent-color);
    color: var(--accent-color);
}


/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 11, 13, 0.7), rgba(11, 11, 13, 0.95));
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #fff, var(--text-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-tagline {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* Sections General */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    display: block;
    color: var(--accent-secondary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

.feature-list li {
    margin: 10px 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list i {
    color: var(--accent-color);
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Philosophy */
.philosophy {
    background: var(--bg-secondary);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.p-card {
    background: var(--bg-color);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.p-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.icon-box {
    font-size: 2rem;
    color: var(--accent-secondary);
    margin-bottom: 20px;
}

.p-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

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

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    /* Fallback Grid */
    gap: 30px;
}

.service-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-img img {
    transform: scale(1.1);
}

.img-placeholder {
    width: 100%;
    height: 100%;
}

.gradient-1 {
    background: linear-gradient(135deg, #111, #222);
}

.gradient-2 {
    background: linear-gradient(135deg, #1a1a1a, #004d40);
}

.gradient-3 {
    background: linear-gradient(135deg, #1a1a1a, #5e35b1);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.service-content ul li {
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 15px;
}

.service-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-primary);
}

/* Culture */
.culture-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.culture-image img {
    width: 100%;
    border-radius: 8px;
    filter: grayscale(20%);
    transition: var(--transition);
}

.culture-image:hover img {
    filter: grayscale(0%);
}

.culture-list {
    display: grid;
    gap: 30px;
}

.culture-item h4 {
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 1.2rem;
}

.culture-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Future */
.future {
    background: linear-gradient(to top, #000, var(--bg-secondary));
    padding: 120px 0;
}

.future-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 40px 0 60px;
}

.future-tags span {
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: var(--font-heading);
    color: var(--text-secondary);
}

.hiring-box {
    background: rgba(0, 229, 255, 0.05);
    border: 1px solid var(--accent-color);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
}

.hiring-box h3 {
    margin-bottom: 15px;
}

.hiring-box p {
    margin-bottom: 30px;
    color: var(--text-secondary);
}

/* Footer */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand h2 {
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--text-secondary);
}

.socials {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.socials a {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.socials a:hover {
    color: var(--accent-color);
}

.bottom-bar {
    text-align: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    margin-top: 40px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* Responsive */
@media (max-width: 900px) {

    .about-grid,
    .culture-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Mobile menu implementation required in JS */
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }
}