:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --primary-blue: #3b82f6;
    --primary-blue-dark: #2563eb;
}

.bg-radial-gradient {
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.1) 0%, rgba(26, 26, 26, 0.8) 50%, rgba(10, 10, 10, 0.9) 100%);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    25% {
        transform: translateY(-20px) scale(1.05);
    }
    50% {
        transform: translateY(-10px) scale(1.1);
    }
    75% {
        transform: translateY(-15px) scale(1.05);
    }
}

@keyframes glow {
    0% {
        opacity: 0.2;
        transform: scale(1);
    }
    100% {
        opacity: 0.4;
        transform: scale(1.1);
    }
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.project-card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.project-card:hover::before {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    backdrop-filter: blur(5px);
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #e2e8f0;
    transition: all 0.2s ease;
}

.tech-tag:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
}

.filter-btn.active {
    background: rgba(59, 130, 246, 0.8) !important;
    border-color: rgba(59, 130, 246, 1) !important;
    color: white !important;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    backdrop-filter: blur(5px);
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 0.5rem;
    color: #e2e8f0;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.project-link:hover {
    background: rgba(59, 130, 246, 0.4);
    border-color: rgba(59, 130, 246, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.project-license {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    backdrop-filter: blur(5px);
    background: rgba(74, 74, 74, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 0.5rem;
    color: #cbd5e1;
    font-weight: 500;
    font-size: 0.875rem;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(26, 26, 26, 0.8);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #3b82f6, #2563eb);
    border-radius: 4px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #60a5fa, #3b82f6);
}

.interactive-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.interactive-hover:hover {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .project-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .filter-btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid #3b82f6;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: #3b82f6; }
}

.animate-on-load .opacity-0 {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-on-load > div:first-child .opacity-0:first-child {
    animation: slideInLeft 0.5s ease-out forwards;
}

.animate-on-load:last-child .opacity-0 {
    animation: fadeInScale 0.6s ease-out forwards;
}

.scroll-reveal {
    opacity: 1;
}

.scroll-reveal-item {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-item:nth-child(2) {
    transition-delay: 0.1s;
}

.scroll-reveal-item:nth-child(3) {
    transition-delay: 0.2s;
}

.scroll-reveal-item:nth-child(4) {
    transition-delay: 0.3s;
}