:root {
    --bg-color: #0c0c0e;
    --card-bg: rgba(255, 255, 255, 0.05);
    --accent-color: #7c4dff;
    --accent-gradient: linear-gradient(135deg, #7c4dff 0%, #448aff 100%);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a5;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(12, 12, 14, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-speed);
}

nav ul li a:hover {
    color: var(--text-primary);
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('taipei_101.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 2.5rem;
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.05);
}

section {
    padding: 6rem 5%;
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title .underline {
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 0 auto;
}

/* Marquee Styles */
.marquee-container {
    width: 100%;
    overflow: hidden;
    background: var(--card-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: scroll 40s linear infinite;
}

.marquee-item {
    display: flex;
    align-items: center;
    margin-right: 4rem;
}

.marquee-item img {
    height: 60px;
    width: 60px;
    border-radius: 12px;
    object-fit: cover;
    filter: none;
    opacity: 1;
    transition: var(--transition-speed);
}

.marquee-item:hover {
    transform: scale(1.1);
}

.marquee-item span {
    margin-left: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.product-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    margin-bottom: 1rem;
    object-fit: cover;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.product-name {
    font-weight: 600;
    font-size: 0.9rem;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

/* Business Contact Styling */
#contact {
    background: linear-gradient(to bottom, transparent, rgba(124, 77, 255, 0.05));
    padding-bottom: 8rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(124, 77, 255, 0.2);
    background: rgba(124, 77, 255, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    color: white;
    box-shadow: 0 5px 15px rgba(124, 77, 255, 0.4);
}

.contact-name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-handle {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.9rem;
    word-break: break-all;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }

    nav {
        display: none;
    }

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

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

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 1rem;
    }

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