@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-primary: #f0f7ff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8f4fd;
    --bg-card: #ffffff;
    --text-primary: #0c1929;
    --text-secondary: #334155;
    --text-tertiary: #64748b;
    --accent: #0066cc;
    --accent-glow: rgba(0, 102, 204, 0.2);
    --accent-light: #0088ff;
    --accent-gradient: linear-gradient(135deg, #0066cc 0%, #0088ff 50%, #00a0ff 100%);
    --border: #cce0f5;
    --border-light: #99ccf0;
    --shadow: 0 25px 50px -12px rgba(0, 50, 100, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 50, 100, 0.06);
    --shadow-glow: 0 20px 40px -15px var(--accent-glow);
    --shadow-tech: 0 0 30px rgba(0, 136, 255, 0.15), 0 0 60px rgba(0, 136, 255, 0.05);
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

*::selection {
    background: rgba(0, 136, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav:hover::before,
.nav.scrolled::before {
    opacity: 1;
}

.nav.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-icon svg, .logo-icon img {
    width: 100%;
    height: 100%;
}

@keyframes logo-shine {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    background: rgba(0, 102, 204, 0.08);
    border-radius: 6px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    font-weight: 600;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    box-shadow: var(--shadow);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.nav-dropdown-menu a::after {
    display: none;
}

.nav-dropdown-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

/* Page Banner */
.page-banner {
    margin-top: 70px;
    height: 300px;
    background: linear-gradient(135deg, #004080 0%, #0066cc 40%, #0088ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

.page-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0, 136, 255, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(0, 200, 255, 0.15) 0%, transparent 40%);
}

.page-banner-content {
    position: relative;
    z-index: 1;
}

.page-banner-content::before,
.page-banner-content::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    animation: banner-pulse 4s ease-in-out infinite;
}

.page-banner-content::before {
    top: -30px;
    left: -40px;
    border-right: none;
    border-bottom: none;
}

.page-banner-content::after {
    bottom: -30px;
    right: -40px;
    border-left: none;
    border-top: none;
    animation-delay: -2s;
}

@keyframes banner-pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.page-banner-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-banner h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
}

.page-banner p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Page Content */
.page-content {
    padding: 4rem 0;
    min-height: calc(100vh - 370px);
}

.page-header {
    margin-bottom: 3rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
}

/* Tab Navigation */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.tab {
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    position: relative;
    transition: all 0.3s ease;
}

.tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

.tab.active {
    color: var(--accent);
}

.tab.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: slide-up 0.4s ease;
}

.tab-content.active {
    display: block;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: var(--shadow-tech);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #e8f4ff, #d4edff);
    border: 1px solid #99ccf0;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
    transition: all 0.3s ease;
}

.card:hover .card-icon {
    background: var(--accent-gradient);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.3);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* Info List */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.info-item:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.info-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Culture Section */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.culture-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.culture-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.culture-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.culture-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Product Detail */
.product-hero {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    opacity: 0.6;
    transform: translate(30%, -30%);
}

.product-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.product-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.product-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 800px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.product-tag {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #e8f4ff, #d4edff);
    border: 1px solid #99ccf0;
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-tag:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4);
}

.btn-primary:hover::after {
    transform: translateX(100%);
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-tech);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #e8f4ff, #d4edff);
    border: 1px solid #99ccf0;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: var(--accent-gradient);
    border-color: var(--accent);
    color: white;
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.35);
}

.service-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-tech);
    border-color: var(--accent);
}

.gallery-item img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    object-position: center top;
    transition: transform 0.5s ease;
    background: white;
    padding: 10px;
}

.gallery-item:hover img {
    transform: scale(1.02);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 51, 102, 0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

/* Contact Info */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.contact-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.contact-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--text-primary);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: white;
}

/* News List */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.news-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateX(8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

/* News Grid Card (with image) */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
    position: relative;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 1;
}

.news-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-tech);
}

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

.news-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.news-card-content {
    padding: 1.5rem;
}

.news-card .news-date {
    margin-bottom: 0.75rem;
}

.news-card .news-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news-card:hover .news-title {
    color: var(--accent);
}

.news-card .news-excerpt {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.news-card .news-more {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.news-date {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.news-excerpt {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.news-arrow {
    color: var(--text-tertiary);
    transition: all 0.3s ease;
}

.news-item:hover .news-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .page-banner {
        height: 200px;
    }
    
    .page-banner h1 {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    
    .tab {
        white-space: nowrap;
        padding: 0.75rem 1rem;
    }
}