:root {
    --primary-red: #E53935;
    --primary-yellow: #FDD835;
    --primary-green: #43A047;
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #6b6b6b;
    --gradient-red: linear-gradient(135deg, #E53935 0%, #FF5722 100%);
    --gradient-green: linear-gradient(135deg, #43A047 0%, #66BB6A 100%);
    --gradient-yellow: linear-gradient(135deg, #FDD835 0%, #FFEB3B 100%);
    --gradient-mix: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-yellow) 50%, var(--primary-green) 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow-red: 0 0 30px rgba(229,57,53,0.3);
    --shadow-glow-green: 0 0 30px rgba(67,160,71,0.3);
    --shadow-glow-yellow: 0 0 30px rgba(253,216,53,0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(5, 5, 8, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-mix);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-mix);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 20px;
}

.nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.nav-link.active::after {
    width: 20px;
}

.main-content {
    position: relative;
    min-height: 100vh;
}

.section {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
    visibility: hidden;
}

.section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
}

.section-hero.active {
    display: flex;
}

.section-hero.active {
    display: flex;
}

.section-hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px 24px 60px;
    min-height: 100vh;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(229,57,53,0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 70% 60%, rgba(67,160,71,0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 30% 80%, rgba(253,216,53,0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(1px solid rgba(255,255,255,0.1) at 10% 20%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 30% 70%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 50% 40%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 70% 80%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 90% 30%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 20% 90%, transparent 0),
        radial-gradient(1px solid rgba(255,255,255,0.1) at 80% 10%, transparent 0);
    background-size: 200px 200px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-logo {
    margin-bottom: 32px;
}

.hero-logo img {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: var(--shadow-lg), 0 0 40px rgba(229,57,53,0.2); }
    50% { box-shadow: var(--shadow-lg), 0 0 60px rgba(229,57,53,0.4); }
}

.hero-title {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-mix);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-mix);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-red);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 2px;
    animation: scroll-down 1.5s ease-in-out infinite;
}

@keyframes scroll-down {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

.section-about {
    padding: 80px 0;
    background: var(--darker-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.title-decoration .line {
    width: 60px;
    height: 2px;
    background: var(--gradient-mix);
    border-radius: 1px;
}

.title-decoration .dot {
    width: 8px;
    height: 8px;
    background: var(--primary-yellow);
    border-radius: 50%;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 64px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 18px;
    color: var(--text-primary);
}

.about-text .highlight {
    background: var(--gradient-mix);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--card-bg);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.frame-decoration {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid transparent;
    border-radius: 18px;
    background: var(--gradient-mix) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 32px 16px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: var(--shadow-glow-green);
}

.stat-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    background: var(--gradient-mix);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.section-services {
    padding: 80px 0;
    background: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10,10,15,0.9) 0%, rgba(18,18,26,0.85) 100%);
    z-index: 0;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-mix);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    position: relative;
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-green);
    position: relative;
    z-index: 1;
}

.icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 56px;
    height: 56px;
    background: rgba(67,160,71,0.1);
    border-radius: 12px;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--primary-green);
    font-weight: 500;
    transition: gap 0.3s ease;
}

.service-link svg {
    width: 16px;
    height: 16px;
}

.service-card:hover .service-link {
    gap: 12px;
}

.section-mission {
    padding: 80px 0;
    overflow: hidden;
}

.mission-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.mission-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 60% 40% at 20% 30%, rgba(67,160,71,0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 70%, rgba(229,57,53,0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

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

.mission-quote {
    text-align: center;
    margin-bottom: 64px;
}

.quote-icon {
    font-size: 80px;
    font-family: Georgia, serif;
    color: var(--primary-yellow);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: -40px;
}

.quote-text {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.6;
    border: none;
    padding: 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-item {
    text-align: center;
    padding: 32px 20px;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: rgba(255,255,255,0.06);
    transform: translateY(-4px);
}

.value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-yellow);
}

.value-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.value-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.section-contact {
    padding: 64px 0 40px;
    background: var(--darker-bg);
}

.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    text-align: center;
    padding: 40px 32px;
    background: linear-gradient(135deg, rgba(229,57,53,0.1) 0%, rgba(67,160,71,0.1) 50%, rgba(253,216,53,0.1) 100%);
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 28px;
}

.contact-icon-large {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(67,160,71,0.15);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon-large svg {
    width: 40px;
    height: 40px;
    color: var(--primary-green);
}

.contact-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: rgba(67,160,71,0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: rgba(67,160,71,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-green);
}

.contact-item-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-item-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.contact-item-value {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.footer {
    position: relative;
    z-index: 100;
    background: var(--darker-bg);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 40px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 28px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.footer-company {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li,
.footer-section ul li a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        display: block;
        padding: 14px 20px;
    }
    
    .section-hero {
        padding: 100px 24px 60px;
    }
    
    .hero-logo img {
        width: 100px;
        height: 100px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        padding: 24px 16px;
    }
    
    .stat-number {
        font-size: 32px;
    }
}