✨ Web Animasyonları ve Mikro-Etkileşimler

/* Performanslı Button Transition */
.button {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    
    /* Sadece transform ve opacity animasyonları 60 FPS'dir */
    transition: transform 0.3s ease, opacity 0.3s ease, box-shadow 0.3s ease;
}

.button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.button:active {
    transform: translateY(-1px) scale(0.98);
}

/* 🚫 YANLIŞ: width, height, left, right gibi özellikleri animate etmeyin */
/* ✅ DOĞRU: transform ve opacity kullanın */

/* Smooth Rotating Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Effect */
.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.95);
    }
}

<!-- HTML -->
<button class="like-button" id="likeBtn">
    <i class="far fa-heart"></i>
    <span class="like-count">42</span>
</button>

/* CSS */
.like-button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.like-button i {
    font-size: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.like-button.liked {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    border-color: #f5576c;
    color: white;
}

.like-button.liked i {
    transform: scale(1.3);
    animation: heartBeat 0.6s ease;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
    75% { transform: scale(1.25); }
}

// JavaScript
const likeBtn = document.getElementById('likeBtn');
const likeCount = likeBtn.querySelector('.like-count');
const heartIcon = likeBtn.querySelector('i');

let isLiked = false;
let count = 42;

likeBtn.addEventListener('click', () => {
    isLiked = !isLiked;
    
    if (isLiked) {
        count++;
        likeBtn.classList.add('liked');
        heartIcon.classList.remove('far');
        heartIcon.classList.add('fas');
        
        // Confetti effect (opsiyonel)
        createConfetti(likeBtn);
    } else {
        count--;
        likeBtn.classList.remove('liked');
        heartIcon.classList.remove('fas');
        heartIcon.classList.add('far');
    }
    
    likeCount.textContent = count;
});

function createConfetti(element) {
    for (let i = 0; i < 10; i++) {
        const particle = document.createElement('div');
        particle.className = 'confetti-particle';
        particle.style.setProperty('--angle', Math.random() * 360);
        element.appendChild(particle);
        
        setTimeout(() => particle.remove(), 1000);
    }
}

// GSAP + ScrollTrigger plugin
gsap.registerPlugin(ScrollTrigger);

// Scroll'da fade in + slide up
gsap.from('.card', {
    opacity: 0,
    y: 100,
    duration: 1,
    stagger: 0.2, // Her kart 0.2s arayla
    scrollTrigger: {
        trigger: '.cards-container',
        start: 'top 80%', // Viewport'un %80'inde başla
        end: 'bottom 20%',
        toggleActions: 'play none none reverse'
    }
});

// Parallax effect
gsap.to('.parallax-bg', {
    y: -200,
    ease: 'none',
    scrollTrigger: {
        trigger: '.parallax-section',
        start: 'top top',
        end: 'bottom top',
        scrub: true // Scroll'a bağlı smooth hareket
    }
});

import { motion } from 'framer-motion';

// Basit fade in
<motion.div
    initial={{ opacity: 0, y: 20 }}
    animate={{ opacity: 1, y: 0 }}
    transition={{ duration: 0.6 }}
>
    Content
</motion.div>

// Gesture animations
<motion.button
    whileHover={{ scale: 1.1 }}
    whileTap={{ scale: 0.95 }}
    transition={{ type: 'spring', stiffness: 400, damping: 17 }}
>
    Click Me
</motion.button>

// Stagger children
<motion.ul
    variants={{
        hidden: { opacity: 0 },
        show: {
            opacity: 1,
            transition: {
                staggerChildren: 0.1
            }
        }
    }}
    initial="hidden"
    animate="show"
>
    {items.map(item => (
        <motion.li
            key={item.id}
            variants={{
                hidden: { opacity: 0, x: -20 },
                show: { opacity: 1, x: 0 }
            }}
        >
            {item.text}
        </motion.li>
    ))}
</motion.ul>