/* style.css */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* Hafifçe daha canlı bir gradient */
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-x: hidden;
    color: #333;
}

.container {
    max-width: 1200px;
    width: 100%;
    animation: fadeIn 0.8s ease-out;
}

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

/* Header */
header {
    text-align: center;
    margin-bottom: 50px;
    margin-top: 20px;
}

.logo-container {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 25px;
    display: inline-block;
    margin-bottom: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-container:hover {
    transform: scale(1.05) rotate(3deg);
}

.logo {
    max-width: 140px;
    height: auto;
    display: block;
    border-radius: 20px;
}

h1 {
    color: white;
    font-size: 3.5em;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.2);
    letter-spacing: -1.5px;
}

.subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.4em;
    font-weight: 300;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

/* Glassmorphism Ortak Sınıfı */
.glass-effect, .content-card, .contact-section, .donate-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.4); /* İnce beyaz çerçeve */
    border-radius: 30px;
    padding: 50px;
    margin-bottom: 40px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}

.description {
    line-height: 1.8;
    font-size: 1.15em;
    margin-bottom: 40px;
    color: #444;
}

/* Video Wrapper */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    margin-bottom: 50px;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border: 5px solid rgba(255,255,255,0.5);
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Features */
.features-title {
    font-size: 1.8em;
    font-weight: 800;
    color: #667eea;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.feature-item {
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.05);
    border-left: 6px solid #667eea;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
}

.feature-icon {
    font-size: 2.2em;
    margin-bottom: 15px;
    display: inline-block;
}

.feature-title {
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 1.25em;
}

.feature-desc {
    color: #666;
    line-height: 1.6;
}

/* Download Section */
.download-section {
    padding: 20px 0;
    margin-bottom: 70px;
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.download-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 22px 70px;
    font-size: 1.4em;
    font-weight: 700;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.2);
}

.download-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
}

.download-btn:hover:before {
    left: 100%;
}

.download-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.7);
}

.download-icon {
    font-size: 1.2em;
}

.version-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 1em;
    font-weight: 600;
    margin-top: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.download-divider {
    color: rgba(255,255,255,0.8);
    font-weight: 700;
    background: rgba(0,0,0,0.1);
    padding: 5px 15px;
    border-radius: 20px;
}

.uptodown-link {
    transition: transform 0.3s ease;
    filter: drop-shadow(0 15px 25px rgba(0,0,0,0.2));
}

.uptodown-link:hover {
    transform: translateY(-5px);
}

.uptodown-link img {
    max-width: 260px;
}

/* Social Section */
.social-section {
    text-align: center;
    margin-bottom: 60px;
}

.social-title {
    font-size: 2.8em;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.social-links {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.social-link {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 30px 45px;
    text-decoration: none;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    min-width: 160px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid white;
}

.social-link:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.social-icon {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.social-name {
    font-size: 1.2em;
    font-weight: 700;
}

/* Donate Section */
.donate-title {
    color: #667eea;
    font-size: 2.2em;
    font-weight: 800;
    margin-bottom: 15px;
}

.donate-btn {
    background: linear-gradient(135deg, #FFDD00 0%, #FBB034 100%);
    color: #333;
    padding: 18px 50px;
    font-size: 1.2em;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 15px 35px rgba(251, 176, 52, 0.3);
    transition: all 0.3s ease;
}

.donate-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 45px rgba(251, 176, 52, 0.5);
}

/* Form Styles */
.contact-title {
    color: #667eea;
    margin-bottom: 15px;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 18px 25px;
    border: 2px solid #edf2f7;
    border-radius: 15px;
    font-size: 1em;
    background: #f8fafc;
    transition: all 0.3s ease;
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 18px;
    font-size: 1.2em;
    font-weight: 700;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.5);
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    display: none;
}
.form-message.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.form-message.error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* Particles */
.particles {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
}
.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}
@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-40px) translateX(-20px); }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5em; }
    .content-card { padding: 30px 20px; }
    .download-btn { padding: 18px 40px; font-size: 1.1em; }
}