/* Tech Stack Section Styles */
.tech-stack-section {
    padding: 100px 5%;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.tech-stack-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-description {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Tech Marquee Styles */
.tech-marquee {
    position: relative;
    overflow: hidden;
    padding: 30px 0;
}

.tech-marquee-content {
    display: flex;
    animation: marquee-scroll 40s linear infinite;
    gap: 50px;
    padding: 20px 0;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 25px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.tech-item:hover::before {
    left: 100%;
}

.tech-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 180, 255, 0.3);
    border-color: rgba(0, 180, 255, 0.5);
}

.light-mode .tech-item:hover {
    box-shadow: 0 10px 25px rgba(0, 119, 204, 0.2);
    border-color: rgba(0, 119, 204, 0.4);
}

.tech-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    transition: all 0.4s ease;
}

.tech-item:hover .tech-icon {
    transform: scale(1.15);
}

.tech-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    text-align: center;
    transition: all 0.3s ease;
}

.tech-item:hover .tech-name {
    color: var(--accent-cyan);
}

/* Individual technology colors */
.tech-item:nth-child(1) .tech-icon,
.tech-item:nth-child(17) .tech-icon { color: #e34f26; } /* HTML5 */

.tech-item:nth-child(2) .tech-icon,
.tech-item:nth-child(18) .tech-icon { color: #1572b6; } /* CSS3 */

.tech-item:nth-child(3) .tech-icon,
.tech-item:nth-child(19) .tech-icon { color: #f7df1e; } /* JavaScript */

.tech-item:nth-child(4) .tech-icon,
.tech-item:nth-child(20) .tech-icon { color: #61dafb; } /* React */

.tech-item:nth-child(5) .tech-icon,
.tech-item:nth-child(21) .tech-icon { color: #777bb4; } /* PHP */

.tech-item:nth-child(6) .tech-icon,
.tech-item:nth-child(22) .tech-icon { color: #ff2d20; } /* Laravel */

.tech-item:nth-child(7) .tech-icon,
.tech-item:nth-child(23) .tech-icon { color: #4479a1; } /* MySQL */

.tech-item:nth-child(8) .tech-icon,
.tech-item:nth-child(24) .tech-icon { color: #339933; } /* Node.js */

.tech-item:nth-child(9) .tech-icon,
.tech-item:nth-child(25) .tech-icon { color: #3776ab; } /* Python */

.tech-item:nth-child(10) .tech-icon,
.tech-item:nth-child(26) .tech-icon { color: #21759b; } /* WordPress */

.tech-item:nth-child(11) .tech-icon,
.tech-item:nth-child(27) .tech-icon { color: #02569b; } /* Flutter */

.tech-item:nth-child(12) .tech-icon,
.tech-item:nth-child(28) .tech-icon { color: #ffca28; } /* Firebase */

.tech-item:nth-child(13) .tech-icon,
.tech-item:nth-child(29) .tech-icon { color: #f24e1e; } /* Figma */

.tech-item:nth-child(14) .tech-icon,
.tech-item:nth-child(30) .tech-icon { color: #ff61f6; } /* Adobe XD */

.tech-item:nth-child(15) .tech-icon,
.tech-item:nth-child(31) .tech-icon { color: #ff9900; } /* AWS */

.tech-item:nth-child(16) .tech-icon,
.tech-item:nth-child(32) .tech-icon { color: #fcc624; } /* Linux */

/* Marquee Animation */
@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-120px * 16 - 50px * 16)); /* Adjust based on item count and gap */
    }
}

/* Pause animation on hover for better UX */
.tech-marquee:hover .tech-marquee-content {
    animation-play-state: paused;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tech-stack-section {
        padding: 80px 5%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
        padding: 0 20px;
    }
    
    .tech-marquee-content {
        gap: 30px;
    }
    
    .tech-item {
        min-width: 100px;
        padding: 20px 15px;
    }
    
    .tech-icon {
        font-size: 2.2rem;
    }
    
    .tech-name {
        font-size: 0.8rem;
    }
    
    @keyframes marquee-scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-100px * 16 - 30px * 16));
        }
    }
}

@media (max-width: 480px) {
    .tech-stack-section {
        padding: 60px 5%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .tech-marquee-content {
        gap: 20px;
    }
    
    .tech-item {
        min-width: 80px;
        padding: 15px 10px;
    }
    
    .tech-icon {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .tech-name {
        font-size: 0.7rem;
    }
    
    @keyframes marquee-scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-80px * 16 - 20px * 16));
        }
    }
}