/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --color-black-swarm: #000000;
    --color-bonfire-red: #DA1A32;
    --color-embers: #A00C30;
    --color-magnolia-white: #FFFFFF;

    --firebright-red: var(--color-bonfire-red);
    --primary-red: var(--color-bonfire-red);
    --primary-color: var(--color-bonfire-red);
    --primary-dark: var(--color-embers);
    --thai-gold: rgba(218, 26, 50, 0.85);
    /* repurposed as warm tint */
    --eco-green: rgba(218, 26, 50, 0.7);
    /* repurposed as soft tint */
    --dark-gray: var(--color-black-swarm);
    --text-color: var(--color-black-swarm);
    --text-light: rgba(0, 0, 0, 0.55);
    --text-lighter: rgba(0, 0, 0, 0.4);
    --text-secondary: rgba(0, 0, 0, 0.65);
    --light-gray: #F6F6F6;
    --white: var(--color-magnolia-white);

    --surface-red-soft: rgba(218, 26, 50, 0.12);
    --surface-red-strong: rgba(160, 12, 48, 0.2);
    --border-red-soft: rgba(218, 26, 50, 0.3);

    /* 增强对比度的文本颜色 */
    --text-dark: var(--color-black-swarm);
    /* 更深的文本颜色，提高对比度 */
    --text-medium: rgba(0, 0, 0, 0.78);
    /* 中等深度文本 */
    --text-muted: rgba(0, 0, 0, 0.55);
    /* 静音文本 */

    /* Typography */
    --font-family: 'Kanit', sans-serif;
    --font-size-xs: 0.75rem;
    /* 12px - 细节文本 */
    --font-size-sm: 0.875rem;
    /* 14px - 辅助文本 */
    --font-size-base: 1rem;
    /* 16px - 正文 */
    --font-size-lg: 1.125rem;
    /* 18px - 大正文 */
    --font-size-xl: 1.375rem;
    /* 22px - 小标题 */
    --font-size-2xl: 1.625rem;
    /* 26px - 中标题 */
    --font-size-3xl: 2.125rem;
    /* 34px - 大标题 */
    --font-size-4xl: 2.625rem;
    /* 42px - 主标题 */
    --font-size-5xl: 3.125rem;
    /* 50px - 超大标题 */

    /* 行高变量 */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-relaxed);
    color: var(--text-dark);
    background-color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    gap: var(--spacing-md);
}

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    /* gap: var(--spacing-xs); */
    /* Removed gap since logo-text is no longer used */
}

.logo {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--firebright-red);
}

.nav-center {
    display: flex;
    justify-content: center;
    flex: 1;
    min-width: 0;
    max-width: calc(100% - 200px);
    /* Prevent overflow on medium screens */
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: nowrap;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: var(--font-size-lg);
    white-space: nowrap;
    transition: color 0.3s ease;
    letter-spacing: -0.01em;
}

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

.language-switch {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.icon-text {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: var(--line-height-normal);
}

.icon-text i {
    color: var(--primary-color);
    font-size: 1rem;
    line-height: 1.5;
}

.value-icon i,
.feature-icon i,
.stat-icon i,
.highlight-icon i,
.solution-icon i,
.support-icon i,
.responsibility-icon i,
.detail-icon i,
.info-icon i,
.expansion-icon i,
.marker-icon i,
.station-icon i {
    font-size: inherit;
    line-height: 1;
    display: inline-block;
}

/* Hide mobile language switch on desktop */
.mobile-language-switch {
    display: none;
}

.lang-btn {
    background: none;
    border: 1px solid var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 120px 0 var(--spacing-2xl);
    margin-top: 70px;
    min-height: 100vh;
    overflow: hidden;
}

/* Hero Background Video */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Hero Overlay for better text readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--primary-red);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.feature-icon {
    font-size: var(--font-size-2xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: 'Kanit', sans-serif;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(218, 26, 50, 0.88) 0%, rgba(160, 12, 48, 0.95) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(218, 26, 50, 0.22);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(160, 12, 48, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(220, 38, 38, 0.1);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
    border-radius: 8px;
}

.hero-media {
    text-align: center;
}

.video-caption {
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
}

/* Removed unused play-button styles since video is now background */

/* Section Styles */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-dark);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
}

/* Value Proposition */
.value-prop {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: var(--light-gray);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    line-height: var(--line-height-tight);
}

.value-card p {
    color: var(--text-muted);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
}

/* Current Status */
.current-status {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.status-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-badge.operational {
    background: var(--surface-red-soft);
    color: var(--primary-color);
}

.status-badge.construction {
    background: var(--surface-red-strong);
    color: var(--primary-dark);
}

.status-cta {
    text-align: center;
}

/* Promotional Video Section */
.promotional-video {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    position: relative;
}

.promotional-video .section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--dark-gray);
}

.promotional-video .section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.video-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.promotional-video-player {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-xl);
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: #f3f4f6;
    /* Fallback background color */
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 225"><rect width="400" height="225" fill="%23f3f4f6"/><text x="200" y="112.5" text-anchor="middle" font-family="Arial" font-size="16" fill="%236b7280">Video Loading...</text></svg>');
    background-size: cover;
    background-position: center;
}

/* Ensure poster image displays correctly */
.promotional-video-player::-webkit-media-controls {
    display: none !important;
}

.promotional-video-player::-webkit-media-controls-enclosure {
    display: none !important;
}

/* Show built-in controls only when playing */
.promotional-video-player[data-playing="true"] {
    -webkit-appearance: media-controls-background;
    appearance: media-controls-background;
}

.promotional-video-player[data-playing="true"]::-webkit-media-controls {
    display: flex !important;
}

.promotional-video-player[data-playing="true"]::-webkit-media-controls-enclosure {
    display: flex !important;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    /* Reduced opacity for better poster visibility */
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: auto;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(2px);
    /* Subtle blur effect */
}

.video-wrapper:hover .video-overlay {
    opacity: 0.8;
}

.promotional-video-player[controls]:not([data-playing="true"])+.video-overlay {
    opacity: 1;
}

.play-button {
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button:hover {
    transform: scale(1.1);
}

.play-button svg {
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.video-info {
    padding: var(--spacing-lg);
}

.video-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.video-highlights {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.video-highlights li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-base);
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color 0.3s ease;
}

.video-highlights li:hover {
    color: var(--primary-red);
}

.video-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.video-cta .btn {
    flex: 1;
    min-width: 140px;
    text-align: center;
}

/* Mobile Responsive for Video Section */
@media (max-width: 968px) {
    .video-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .video-wrapper {
        margin-bottom: var(--spacing-md);
    }

    .video-info {
        text-align: center;
        padding: var(--spacing-md);
    }

    .video-cta {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .promotional-video .section-title {
        font-size: var(--font-size-2xl);
    }

    .promotional-video .section-subtitle {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-sm);
    }

    .video-cta .btn {
        flex: none;
        width: 100%;
    }

    .play-button svg {
        width: 50px;
        height: 50px;
    }
}

/* TCO Preview */
.tco-preview {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.tco-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.tco-benefits {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.tco-benefits li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-lg);
}

.tco-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.calculator-preview {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.calc-screen {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.calc-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--light-gray);
}

.calc-result {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

/* News Preview */
.news-preview {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

/* Featured News Styles */
.featured-news {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.article-image {
    position: relative;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.featured-article:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-2xl);
}

.article-date {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.article-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

.article-excerpt {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    height: fit-content;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: var(--spacing-lg);
}

.news-date {
    color: #6B7280;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.news-category {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-left: var(--spacing-sm);
    text-transform: uppercase;
}

.news-card h3 {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-dark);
}

.news-card p {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--text-gray);
    margin-bottom: var(--spacing-sm);
}

/* News Categories Filter */
.news-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
}

.category-btn {
    background: var(--white);
    border: 2px solid var(--border-color);
    color: var(--text-gray);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.category-btn:hover,
.category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
}

.newsletter-form button {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

.news-cta {
    text-align: center;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo {
    height: 36px;
    width: auto;
}

.footer-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--firebright-red);
    line-height: 1;
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #D1D5DB;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-link {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--primary-red);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #374151;
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 1300px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .nav-logo {
        flex-shrink: 0;
    }

    .nav-center {
        position: fixed;
        left: -100%;
        top: 70px;
        width: 100%;
        background-color: var(--white);
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        z-index: 999;
    }

    .nav-menu {
        flex-direction: column;
        padding: var(--spacing-lg) 0;
        text-align: center;
        gap: var(--spacing-md);
    }

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

    .nav-right {
        gap: var(--spacing-xs);
    }

    /* Hide language switcher from nav-right on mobile */
    .nav-right .language-switch {
        display: none;
    }

    /* Show mobile language switcher inside menu */
    .mobile-language-switch {
        display: flex !important;
        justify-content: center;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--light-gray);
    }

    .nav-toggle {
        display: flex;
        flex-shrink: 0;
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-sm) var(--spacing-md);
        display: block;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .logo-text {
        font-size: var(--font-size-lg);
        /* Smaller logo text on mobile */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .hero {
        min-height: 80vh;
        padding: 80px 0 var(--spacing-xl);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
        line-height: var(--line-height-tight);
    }

    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }

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

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

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

    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .featured-article {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .article-image img {
        height: 250px;
    }

    .article-content {
        padding: var(--spacing-lg);
    }

    .article-content h3 {
        font-size: 1.5rem;
    }

    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .newsletter-form button {
        padding: 1rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-xs);
        height: 60px;
        /* Slightly smaller navbar on very small screens */
    }

    .logo {
        height: 32px;
        /* Smaller logo */
    }

    .logo-text {
        font-size: var(--font-size-base);
        /* Even smaller logo text */
    }

    .nav-menu {
        top: 60px;
        /* Adjust for smaller navbar height */
    }

    .hero {
        margin-top: 60px;
        /* Adjust hero margin */
        min-height: 70vh;
        padding: 60px 0 var(--spacing-lg);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
        line-height: var(--line-height-tight);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        line-height: var(--line-height-normal);
    }
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(135deg, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 1) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    margin-top: 70px;
    text-align: center;
}

.about-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.about-hero .hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    min-height: 4rem;
    /* Ensure consistent height across languages */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* News Page Styles */
.news-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    margin-top: 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.news-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.news-hero .container {
    position: relative;
    z-index: 1;
}

.news-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.news-hero .hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    opacity: 0.95;
}

/* Company Overview Section */
.company-overview {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    min-height: 500px;
}

.overview-text {
    display: flex;
    flex-direction: column;
}

.overview-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.vision-mission {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    flex-grow: 1;
}

.vision,
.mission {
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-red);
}

.vision h3,
.mission h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.vision p,
.mission p {
    line-height: 1.7;
    color: var(--dark-gray);
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    /* Remove padding-top and calculate offset to align with vision-mission */
    margin-top: calc(var(--font-size-3xl) * var(--line-height-normal) + var(--spacing-lg) + var(--spacing-lg));
}

.company-image {
    width: 100%;
    max-width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Our Values Section */
.our-values {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.value-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Technology Advantage Section */
.technology-advantage {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tech-feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-number {
    background: var(--primary-red);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    line-height: 1.6;
    color: var(--dark-gray);
}

.tech-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-showcase {
    width: 100%;
    max-width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Team Section */
.team-section {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.team-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.team-intro p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--dark-gray);
    max-width: 800px;
    margin: 0 auto;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--dark-gray);
    font-weight: 500;
}

/* Milestones Section */
.milestones {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-red);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: var(--primary-red);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    white-space: nowrap;
}

.timeline-content {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    width: calc(50% - 30px);
    margin-top: 30px;
    box-shadow: var(--shadow-md);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    line-height: 1.6;
    color: var(--dark-gray);
}

/* Corporate Responsibility Section */
.corporate-responsibility {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.responsibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.responsibility-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.responsibility-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.responsibility-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.responsibility-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.responsibility-card p {
    line-height: 1.6;
    color: var(--dark-gray);
}

/* About Page Responsive Design */
@media (max-width: 768px) {
    .about-hero {
        padding: var(--spacing-xl) 0;
    }

    .about-hero h1 {
        font-size: var(--font-size-3xl);
    }

    .about-hero .hero-subtitle {
        font-size: var(--font-size-lg);
        min-height: 3rem;
        /* Reduced min-height for mobile */
    }

    .news-hero {
        padding: var(--spacing-xl) 0;
    }

    .news-hero h1 {
        font-size: var(--font-size-3xl);
    }

    .news-hero .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .overview-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        min-height: auto;
        /* Remove min-height on mobile */
    }

    .overview-image {
        order: -1;
        margin-top: 0;
        /* Remove margin-top on mobile */
        align-items: center;
        /* Center align on mobile */
    }

    .company-image {
        height: 250px;
    }

    .tech-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .tech-image {
        order: -1;
    }

    .tech-showcase {
        height: 250px;
    }

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

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 50px;
    }

    .timeline-date {
        left: 20px;
        transform: translateX(-50%);
    }

    .timeline-content {
        width: 100%;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

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

@media (max-width: 480px) {
    .about-hero h1 {
        font-size: var(--font-size-2xl);
    }

    .about-hero .hero-subtitle {
        font-size: var(--font-size-base);
        min-height: 2.5rem;
        /* Further reduced min-height for very small screens */
    }

    .news-hero h1 {
        font-size: var(--font-size-2xl);
    }

    .news-hero .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .company-image,
    .tech-showcase {
        height: 200px;
    }

    .vision,
    .mission {
        padding: var(--spacing-md);
    }

    .value-card,
    .responsibility-card {
        padding: var(--spacing-md);
    }

    .timeline-content {
        padding: var(--spacing-md);
    }
}