:root {
    --primary-color: #0d2c54; /* Navy Blue */
    --secondary-color: #f7b538; /* Gold/Yellow for accents */
    --text-color: #333;
    --light-bg: #f4f7f6;
    --white: #ffffff;
    --transition-speed: 0.3s;
    --font-main: 'Noto Sans TC', sans-serif;
}

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

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

/* Header & Nav */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-text-stack {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.zh-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.en-text {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color var(--transition-speed);
}

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

.omri-logo-img {
    height: 80px;
    width: auto;
    margin-right: 0;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

/* Hero Section */
#hero {
    height: 100vh;
    width: 100%;
    max-width: 100%; /* Override default section max-width */
    background: linear-gradient(rgba(13, 44, 84, 0.7), rgba(13, 44, 84, 0.7)), url('assets/hero20251208.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
    margin: 0;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--secondary-color);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    transition: transform var(--transition-speed), background var(--transition-speed);
}

.cta-button:hover {
    transform: translateY(-3px);
    background: #e0a800;
}

/* Sections General */
section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 1rem auto 0;
}

/* About Section */
#about {
    background: var(--light-bg);
}

.about-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
}

.about-text {
    flex: 1;
    min-width: 300px;
    font-size: 1.1rem;
}

.gm-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 300px;
    text-align: center;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-top-color: var(--secondary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Contact Section */
#contact {
    background: var(--primary-color);
    color: var(--white);
    max-width: 100%;
    width: 100%;
    margin: 0;
}

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

.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--secondary-color);
}

.map-container {
    flex: 1;
    min-width: 300px;
    height: 400px;
    background: #ccc;
    border-radius: 10px;
    overflow: hidden;
}

iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* News Section */
#news {
    background: #f8f9fa;
    padding: 4rem 2rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.news-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.news-image {
    position: relative;
    width: 100%;
    height: 360px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #666;
    font-size: 0.9rem;
}

.news-date i {
    margin-right: 0.3rem;
}

.news-content h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.news-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.news-read-more:hover {
    gap: 0.8rem;
}

.news-read-more i {
    font-size: 0.9rem;
}


/* Footer */
footer {
    background: #081c36;
    color: #aaa;
    text-align: center;
    padding: 2rem;
    margin-top: 0;
}

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

.show {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding-bottom: 2rem;
    }

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

    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }

    #hero {
        background-attachment: scroll;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .news-content h3 {
        font-size: 1.1rem;
    }
}