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

/* Typography */
body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    background: #ffffff; 
    color: #1a1a1a; 
    overflow-x: hidden;
    line-height: 1.7;
    font-weight: 400;
}

canvas#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

/* Navigation */
.main-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.nav-brand a {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    font-family: 'Inter', sans-serif;
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.8rem 0;
    font-size: 0.95rem;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #8B0000;
    transition: width 0.3s ease;
}

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

.nav-menu a:hover,
.nav-menu a.active { color: #8B0000; }

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #dc2626 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%), 
                radial-gradient(circle at 70% 30%, rgba(220, 38, 38, 0.1) 0%, transparent 50%);
    opacity: 0.6;
}

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

.company-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    margin: 0 auto 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.1);
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.company-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.hero-content h1 {
    font-family: 'Inter', sans-serif;
    font-size: 5rem;
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-content .subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    font-family: 'Inter', sans-serif;
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1rem;
    letter-spacing: 0.02em;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: rgba(220, 38, 38, 0.9);
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(220, 38, 38, 0.4);
    background: rgba(220, 38, 38, 1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Promotional Slider */
.promo-slider {
    position: relative;
    height: 300px;
    overflow: hidden;
    margin: 0;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
}

.slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(0.7);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #ffffff;
    z-index: 2;
}

.slide-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.slide-content p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
}

.slider-nav button {
    background: rgba(139, 0, 0, 0.8);
    color: #ffffff;
    border: none;
    padding: 1rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.slider-nav button:hover {
    background: rgba(139, 0, 0, 1);
}

.slider-nav .prev {
    left: 20px;
}

.slider-nav .next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active,
.dot:hover {
    background: #ffffff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 2.8rem;
    color: #1e3a8a;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #dc2626, #1e3a8a);
    border-radius: 2px;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(30, 58, 138, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.03), transparent);
    transition: left 0.6s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.15), 0 0 0 1px rgba(220, 38, 38, 0.1);
}

.card:hover::before { left: 100%; }

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-item {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(139, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 0, 0, 0.15);
    border-color: #8B0000;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #8B0000, #A0522D);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #ffffff;
}

.service-item h3 {
    font-family: 'Playfair Display', serif;
    color: #8B0000;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.portfolio-item {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(139, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(139, 0, 0, 0.15);
    border-color: #8B0000;
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, #8B0000, #A0522D);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #ffffff;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    font-family: 'Playfair Display', serif;
    color: #8B0000;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: #f8f8f8;
    color: #8B0000;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #8B0000;
}

/* Footer */
.main-footer {
    background: #8B0000;
    color: #ffffff;
    padding: 3rem 0 1rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3,
.footer-section h4 {
    font-family: 'Playfair Display', serif;
    color: #ffffff;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a {
    color: #f0f0f0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffffff;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ffffff;
    color: #8B0000;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: #f0f0f0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(139, 0, 0, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .company-logo {
        width: 100px;
        height: 100px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .nav-container {
        padding: 0 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .slide-content h3 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }
}

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

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}


/* Draggable Partner Logos */
.logos-wrapper {
    overflow: hidden;
    cursor: grab;
    padding: 2rem 0;
    position: relative;
}

.logos-wrapper:active {
    cursor: grabbing;
}

.logos-track {
    display: flex;
    gap: 3rem;
    padding: 1rem 0;
    will-change: transform;
}

.logo-item {
    flex-shrink: 0;
    width: 180px;
    height: 120px;
    background: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.logo-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(139, 0, 0, 0.15);
    border-color: #8B0000;
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.logo-item:hover img {
    filter: grayscale(0%);
}

.drag-hint {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@media (max-width: 768px) {
    .logo-item {
        width: 140px;
        height: 100px;
        padding: 1rem;
    }
    
    .logos-track {
        gap: 2rem;
    }
}