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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    background: linear-gradient(135deg, #0b1a24, #1a2f3a, #1e3b45);
    color: #ffffff;
}

.site-header {
    background: rgba(11, 26, 36, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(100, 210, 200, 0.3);
    padding: 15px 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.site-title {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
    letter-spacing: 1px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.main-nav {
    background: rgba(11, 26, 36, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 30px;
    border-bottom: 1px solid rgba(100, 210, 200, 0.2);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 17px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 30px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.main-nav a:hover {
    background: rgba(100, 210, 200, 0.12);
    border-color: #64d2c8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 210, 200, 0.15);
}

.nav-icon {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
    transition: transform 0.3s;
}

.main-nav a:hover .nav-icon {
    transform: scale(1.15);
}

.content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 30px;
}

.content h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #ffffff;
    border-bottom: 2px solid #64d2c8;
    padding-bottom: 10px;
    display: inline-block;
}

.content p {
    margin-bottom: 16px;
    font-size: 17px;
    color: #e0e0e0;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px 24px;
    border-radius: 14px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(100, 210, 200, 0.13);
    transition: border-color 0.25s;
}

.content p:hover {
    border-color: rgba(100, 210, 200, 0.3);
}

.site-footer {
    background: rgba(11, 26, 36, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: 60px;
    border-top: 1px solid rgba(100, 210, 200, 0.2);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.footer-col {
    flex: 1 1 220px;
    min-width: 180px;
}

.footer-col h3 {
    color: #64d2c8;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(100, 210, 200, 0.25);
}

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

.footer-col li {
    margin-bottom: 10px;
    color: #c0ccd8;
    font-size: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: #c0ccd8;
    font-size: 15px;
}

.contact-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    filter: brightness(0) invert(0.7);
}

.social-links li a {
    color: #c0ccd8;
    text-decoration: none;
    transition: all 0.25s;
    display: inline-block;
    padding: 3px 0;
    font-size: 15px;
}

.social-links li a:hover {
    color: #ffffff;
    transform: translateX(6px);
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.35);
    text-align: center;
    padding: 18px 20px;
    font-size: 13px;
    color: #7a8fa0;
    border-top: 1px solid rgba(100, 210, 200, 0.1);
}

@media (max-width: 640px) {
    .site-header,
    .main-nav,
    .content { padding-left: 16px; padding-right: 16px; }
    .main-nav ul { flex-wrap: wrap; gap: 4px; }
    .footer-container { flex-direction: column; }
    .content h1 { font-size: 26px; }
}