body {
    background-color: #000000;
    color: #0088ff;
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    position: relative;
    overflow-x: hidden;
}

.top-nav-left {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 100;
}

.lang-selector {
    display: flex;
    gap: 4px;
}

.lang-selector button {
    background-color: #050b14;
    color: #0088ff;
    border: 1px solid #0088ff;
    padding: 6px 9px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    border-radius: 6px;
    font-size: 11px;
    transition: all 0.2s ease;
    box-shadow: 0 0 6px rgba(0, 136, 255, 0.3);
}

.lang-selector button:hover {
    background-color: #0088ff;
    color: #000000;
    box-shadow: 0 0 12px #0088ff;
}

.header-name {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #0088ff;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 0 8px rgba(0, 136, 255, 0.7), 0 0 20px rgba(0, 136, 255, 0.3);
    white-space: nowrap;
    z-index: 90;
}

.cursor {
    display: inline-block;
    background-color: #0088ff;
    width: 9px;
    height: 20px;
    vertical-align: middle;
    margin-left: 5px;
    animation: blink 1s infinite;
    box-shadow: 0 0 8px #0088ff;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    50.1%, 100% { opacity: 0; }
}

.menu-container {
    position: relative;
}

.menu-btn {
    background-color: #050b14;
    color: #0088ff;
    border: 1px solid #0088ff;
    padding: 7px 14px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    border-radius: 6px;
    transition: all 0.2s ease;
    box-shadow: 0 0 8px rgba(0, 136, 255, 0.4);
    user-select: none;
    text-shadow: 0 0 5px #0088ff;
    font-size: 13px;
}

.menu-btn:hover {
    background-color: #0088ff;
    color: #000000;
    box-shadow: 0 0 15px #0088ff;
    text-shadow: none;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 42px;
    left: 0;
    background-color: #050b14;
    min-width: 170px;
    border: 1px solid #0088ff;
    box-shadow: 0 0 12px rgba(0, 136, 255, 0.5);
    border-radius: 6px;
    z-index: 10;
    overflow: hidden;
}

.dropdown-content a {
    color: #0088ff;
    padding: 10px 14px;
    text-decoration: none;
    display: block;
    font-size: 13px;
    font-weight: bold;
    text-shadow: 0 0 5px #0088ff;
    transition: background 0.2s, color 0.2s;
    border-bottom: 1px solid rgba(0, 136, 255, 0.15);
}

.dropdown-content a:hover {
    background-color: #0088ff;
    color: #000000;
    text-shadow: none;
}

.menu-divider {
    height: 1px;
    background-color: rgba(0, 136, 255, 0.3);
    margin: 4px 0;
}

.sub-menu-item {
    font-size: 11px !important;
    color: rgba(0, 136, 255, 0.8) !important;
}

.show {
    display: block;
}

.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.search-bar {
    background-color: #050b14;
    color: #0088ff;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    border: 1px solid #0088ff;
    box-shadow: 0 0 15px rgba(0, 136, 255, 0.3), inset 0 0 10px rgba(0, 136, 255, 0.1);
    width: 85%;
    max-width: 650px;
    text-shadow: 0 0 8px rgba(0, 136, 255, 0.7);
    line-height: 1.4;
}

.scroll-down-hint {
    position: absolute;
    bottom: 20px;
    font-size: 24px;
    animation: bounce 2s infinite;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

.content-section {
    max-width: 900px;
    margin: 0 auto 80px auto;
    padding: 0 20px;
}

.section-title {
    font-size: 20px;
    font-weight: bold;
    color: #0088ff;
    margin-bottom: 25px;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(0, 136, 255, 0.3);
    padding-bottom: 10px;
    text-shadow: 0 0 6px rgba(0, 136, 255, 0.5);
}

.profile-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 30px;
    background-color: #03060c;
    border: 1px solid rgba(0, 136, 255, 0.25);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(0, 136, 255, 0.1);
}

.profile-bio {
    font-size: 15px;
    line-height: 1.6;
    color: #b0d4ff;
    min-height: 120px;
    white-space: pre-wrap;
}

.profile-info-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-left: 1px solid rgba(0, 136, 255, 0.2);
    padding-left: 20px;
}

.info-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 11px;
    color: rgba(0, 136, 255, 0.6);
    letter-spacing: 1px;
}

.info-value {
    font-size: 14px;
    font-weight: bold;
    color: #0088ff;
}

.cert-card {
    background-color: #03060c;
    border: 1px solid rgba(0, 136, 255, 0.25);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 0 20px rgba(0, 136, 255, 0.1);
}

.cert-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: rgba(0, 136, 255, 0.6);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.cert-body h3 {
    margin: 0 0 10px 0;
    color: #0088ff;
    font-size: 18px;
    text-shadow: 0 0 5px rgba(0, 136, 255, 0.4);
}

.cert-body p {
    margin: 0 0 20px 0;
    color: #b0d4ff;
    font-size: 14px;
    line-height: 1.5;
}

.cert-img-container {
    margin: 20px 0;
    text-align: center;
    border: 1px solid rgba(0, 136, 255, 0.3);
    border-radius: 8px;
    overflow: hidden;
    background-color: #000000;
    box-shadow: 0 0 15px rgba(0, 136, 255, 0.2);
    display: block;
}

.cert-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 6px;
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-tags span {
    background-color: rgba(0, 136, 255, 0.1);
    border: 1px solid rgba(0, 136, 255, 0.3);
    color: #0088ff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.terminal-btn {
    display: inline-block;
    background-color: #050b14;
    color: #0088ff;
    border: 1px solid #0088ff;
    padding: 9px 18px;
    text-decoration: none;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    border-radius: 6px;
    font-size: 13px;
    transition: all 0.2s ease;
    box-shadow: 0 0 8px rgba(0, 136, 255, 0.4);
    text-shadow: 0 0 5px #0088ff;
}

.terminal-btn:hover {
    background-color: #0088ff;
    color: #000000;
    box-shadow: 0 0 15px #0088ff;
    text-shadow: none;
}

@media (max-width: 900px) {
    body {
        padding-top: 80px;
    }
    .header-name {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        text-align: center;
        margin-bottom: 15px;
        font-size: 20px;
    }
    .top-nav-left {
        position: relative;
        top: auto;
        left: auto;
        justify-content: center;
        margin-bottom: 20px;
        width: 100%;
    }
    .hero-section {
        height: auto;
        padding: 40px 0;
    }
    .search-bar {
        font-size: 14px;
        padding: 14px 20px;
        width: 90%;
        border-radius: 30px;
    }
    .profile-grid {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    .profile-info-box {
        border-left: none;
        border-top: 1px solid rgba(0, 136, 255, 0.2);
        padding-left: 0;
        padding-top: 15px;
    }
}