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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    text-align: left;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: #ffffff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: box-shadow 0.3s, background 0.3s;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 20px;
    transition: padding 0.3s;
}

.logo {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-right: 64px;
    transition: transform 0.3s cubic-bezier(.4,2,.6,1);
}

.logo:hover {
    transform: scale(1.06) rotate(-2deg);
    box-shadow: 0 4px 24px rgba(37,99,235,0.10);
}

.logo img {
    height: 92px;
    width: auto;
    display: block;
    transition: box-shadow 0.3s, filter 0.3s;
    box-shadow: 0 2px 12px rgba(37,99,235,0.08);
    filter: drop-shadow(0 2px 8px #2563eb22);
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.logo-text .logo-main {
    font-size: 2.2rem;
    font-weight: 800;
    color: #1a1a1a;
    letter-spacing: 3px;
    transition: color 0.3s;
}

.logo-text .logo-sub {
    font-size: 1.2rem;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: 1.5px;
    margin-top: 4px;
    transition: color 0.3s;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 56px;
    font-size: 1.25rem;
    font-weight: 600;
    transition: gap 0.3s, font-size 0.3s;
    height: 56px;
}

.nav-list a {
    display: flex;
    align-items: center;
    height: 100%;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 600;
    font-size: 1.18em;
    letter-spacing: 0.7px;
    transition: color 0.3s, font-size 0.3s, background 0.3s, box-shadow 0.3s, transform 0.15s;
    position: relative;
    padding: 10px 18px;
    border-radius: 8px;
    outline: none;
    white-space: nowrap;
    overflow: hidden;
}

.nav-list a:hover,
.nav-list a:focus {
    color: #fff;
    background: linear-gradient(90deg,#2563eb 0%,#1d4ed8 100%);
    box-shadow: 0 2px 12px #2563eb33;
    transform: translateY(-2px) scale(1.04);
}

.nav-list a.active,
.nav-list a:active {
    color: #fff;
    background: linear-gradient(90deg,#2563eb 0%,#1d4ed8 100%);
    box-shadow: 0 2px 12px #2563eb33;
    transform: none;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 20%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg,#2563eb 0%,#1d4ed8 100%);
    border-radius: 2px;
    transition: width 0.3s;
}

.nav-list a:hover::after,
.nav-list a:focus::after,
.nav-list a.active::after,
.nav-list a:active::after {
    width: 60%;
}

main {
    padding-top: 120px;
}

.btn {
    display: inline-block;
    padding: 16px 32px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-primary {
    background: #2563eb;
    color: #ffffff;
    border: 2px solid #2563eb;
}

.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-secondary:hover {
    background: #ffffff;
    color: #1a1a1a;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: #ffffff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
    border-color: #2563eb;
}

.service-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    margin-bottom: 20px;
    display: inline-flex;
    width: 64px;
    height: 64px;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-10deg);
    background: #2563eb;
    color: #fff;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    padding: 80px 20px;
    text-align: center;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #e5e5e5;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-section h3 {
    font-size: 20px;
}

.footer-section .art-font {
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    line-height: 1.4;
    font-weight: 500;
    color: #e5e5e5;
    margin: 0;
    text-align: left;
}

.footer-section h4 {
    font-size: 16px;
    color: #e5e5e5;
}

.footer-section p {
    color: #b0b0b0;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #b0b0b0;
    font-size: 14px;
    text-align: center;
}

.section-container {
    padding: 80px 20px;
}

.content-grid {
    display: flex;
    gap: 60px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.text-column, .image-column {
    flex: 1;
    min-width: 320px;
    max-width: 540px;
}

.image-column img {
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

p, li {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4a4a4a;
}

.hero p, .footer p, .footer a {
    color: #e5e5e5;
}

h1.hero-title {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.8rem;
    margin-bottom: 24px;
}

h3 {
    font-size: 1.6rem;
    color: #1a1a1a;
}

.hero {
    background: #1a1a1a;
    color: #ffffff;
    padding: 100px 20px 80px;
}

.hero .container {
    max-width: 1200px;
}

.service-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    margin-bottom: 20px;
    display: inline-flex;
    width: 64px;
    height: 64px;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-10deg);
    background: #2563eb;
    color: #fff;
}

h1, h2, h3, .stat h3, .stat p {
    text-align: center;
}

.section-header p {
    text-align: center;
}

.hero-subtitle {
    text-align: left;
}

@media (max-width: 768px) {
    .header .container {
        padding: 18px 10px;
    }
    .logo img {
        height: 56px;
    }
    .logo-text .logo-main {
        font-size: 1.2rem;
    }
    .logo-text .logo-sub {
        font-size: 0.9rem;
    }
    .nav-list {
        gap: 18px;
        font-size: 1rem;
    }
    main {
        padding-top: 80px;
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .logo {
        margin-right: 18px;
    }
    .footer-section .art-font {
        font-size: 1.2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    .hero {
        padding: 100px 0 60px;
    }
    .hero-title {
        font-size: 28px;
    }
    .section-header h2 {
        font-size: 28px;
    }
    .about-stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}