body {
    font-family: 'Inter', system-ui, sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

.logo-text {
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(45deg, #a7d9ff, #e0f2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-title {
    font-weight: 700;
    letter-spacing: -0.025em;
}

.text-shadow-sm {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.prose {
    line-height: 1.75;
    font-size: 1rem;
    color: inherit;
}

.prose-invert h1, .prose-invert h2, .prose-invert h3, .prose-invert h4, .prose-invert h5, .prose-invert h6 {
    color: #fff;
}

.prose-invert p, .prose-invert li {
    color: rgba(255, 255, 255, 0.9);
}

.card-shadow {
    box-shadow: 0 4px 6px -1px rgba(27, 75, 130, 0.1), 0 2px 4px -1px rgba(27, 75, 130, 0.06);
    transition: box-shadow 0.3s ease-in-out;
}

.card-shadow:hover {
    box-shadow: 0 20px 25px -5px rgba(27, 75, 130, 0.1), 0 10px 10px -5px rgba(27, 75, 130, 0.04);
}

.gradient-bg {
    background: linear-gradient(135deg, #1B4B82 0%, #2E6BA8 50%, #4A90C8 100%) !important;
}

.tech-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.glass-effect {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.profile-photo-gradient {
    border-width: 4px;
    border-style: solid;
    border-image: linear-gradient(to bottom right, #a7d9ff, #e0f2ff) 1;
    padding: 2px;
    background-color: transparent !important;
}

.navbar-transparent {
    background: rgba(27, 75, 130, 0.2) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-white {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(27, 75, 130, 0.1);
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease-in-out;
    max-width: 350px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.notification.show { transform: translateX(0); opacity: 1; }
.notification.success { background: linear-gradient(135deg, #10b981, #059669); border: 1px solid rgba(16, 185, 129, 0.3); }
.notification.error { background: linear-gradient(135deg, #ef4444, #dc2626); border: 1px solid rgba(239, 68, 68, 0.3); }
.notification .icon { display: inline-block; margin-right: 8px; font-size: 18px; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(27, 75, 130, 0.3); }
    to { box-shadow: 0 0 30px rgba(27, 75, 130, 0.6); }
}

.language-switcher {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    padding: 4px 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    color: white;
}

.lang-btn.active {
    background-color: white;
    color: #1B4B82;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#mobile-menu-panel .language-switcher {
    border-color: rgba(255, 255, 255, 0.3);
    display: inline-flex;
}

#mobile-menu-panel .lang-btn {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    padding: 8px 16px;
}

#mobile-menu-panel .lang-btn.active {
    background-color: white;
    color: #1B4B82;
}