/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Nunito+Sans:wght@400;600;700&display=swap');

:root {
    --primary: #81C14B; 
    --primary-light: #A8D87A; 
    --primary-hover: #6DA83B; 
    --dark: #2B2B2B; 
    --gray-bg: #F5F7F6; 
    --white: #FFFFFF;
    --text-gray: #6B7280;
    --border-color: #EAEAEA;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Nunito Sans', sans-serif;
    
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 12px 30px rgba(0,0,0,0.08);
    --radius-lg: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    font-family: var(--font-body); 
    background-color: var(--gray-bg); 
    color: var(--dark); 
    line-height: 1.6; 
    overflow-x: hidden; /* Sağa sola kaymayı önler */
}

.text-primary { color: var(--primary); }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 700; }
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Global Butonlar */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
    padding: 1rem 2rem; border-radius: 50px; cursor: pointer; border: none; transition: 0.3s;
}
.btn-primary { background-color: var(--primary); color: var(--white); }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(129, 193, 75, 0.3);}
.btn-dark { background-color: var(--dark); color: var(--white); }
.btn-dark:hover { background-color: #000; }
.btn-outline-primary { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline-primary:hover { background: var(--primary); color: var(--white); }
.btn-outline-white { border: 2px solid var(--white); color: var(--white); background: transparent; }
.btn-outline-white:hover { background: var(--white); color: var(--dark); }
.btn-white { background: var(--white); color: var(--dark); box-shadow: var(--shadow-sm); }
.btn-white:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.section-title { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 1rem; color: var(--dark); line-height: 1.2; }
.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }

/* Header */
header { background-color: var(--white); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.03); }
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 5.5rem; }
.brand { display: flex; align-items: center; gap: 0.5rem; }
.brand img { height: 2.5rem; display: none; }
.brand-text h1 { font-weight: 800; font-size: 2rem; color: var(--primary); letter-spacing: -1px; }

/* Nav Wrapper (Masaüstü için yatay hizalama) */
.nav-wrapper { display: flex; align-items: center; gap: 3rem; width: auto; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-family: var(--font-heading); font-weight: 600; font-size: 0.95rem; color: var(--dark); }
.nav-links a:hover { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 1.5rem; }
.login-btn { font-family: var(--font-heading); font-weight: 700; color: var(--primary); font-size: 0.95rem;}
.login-btn:hover { color: var(--primary-hover); }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--dark); cursor: pointer;}

/* Hero Section */
.hero { position: relative; padding: 6rem 0; min-height: 600px; display: flex; align-items: center; }
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('https://images.unsplash.com/photo-1514525253161-7a46d19cd819?q=80&w=1920&auto=format&fit=crop') center/cover;
    z-index: 0;
}
.hero-bg::after { content: ''; position: absolute; inset:0; background: linear-gradient(90deg, rgba(30,30,40,0.85) 0%, rgba(30,30,40,0.4) 100%); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

.hero-text h2 { font-size: 3.5rem; font-weight: 800; color: var(--white); line-height: 1.1; margin-bottom: 1rem; }
.hero-text p { font-size: 1.1rem; color: var(--white); margin-bottom: 2rem; opacity: 0.9; }

/* Gönüllü Katılım Formu */
.join-card { background: var(--white); border-radius: var(--radius-lg); padding: 2.5rem 2rem; box-shadow: var(--shadow-lg); }
.join-card h3 { font-size: 1.8rem; margin-bottom: 0.5rem; color: var(--dark); }
.join-desc { color: var(--text-gray); margin-bottom: 1.5rem; font-size: 0.95rem; }

.form-group { margin-bottom: 1rem; }
.form-group input, .form-group select {
    width: 100%; padding: 1rem 1.2rem; border: 1px solid var(--border-color); border-radius: 8px;
    font-family: var(--font-body); font-size: 1rem; outline: none; transition: 0.3s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(129, 193, 75, 0.1); }
.form-group select { cursor: pointer; color: var(--text-gray); }

.btn-block { width: 100%; padding: 1.1rem; font-size: 1.1rem; margin-top: 0.5rem;}
.bank-link { display: block; text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--text-gray); text-decoration: underline; }

/* Neler Yapıyoruz? */
.actions-section { padding: 6rem 0; background-color: var(--white); }
.actions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.action-card { background: var(--white); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 2.5rem 1.5rem; text-align: center; box-shadow: var(--shadow-sm); transition: 0.3s; cursor: pointer; }
.action-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.action-icon { font-size: 3rem; color: var(--primary); margin-bottom: 1.5rem; }
.action-card h3 { font-size: 1.3rem; line-height: 1.3; margin-bottom: 1rem; }
.action-card p { color: var(--text-gray); font-size: 0.95rem; }

/* Biz Kimiz? */
.about-section { padding: 6rem 0; }
.about-inner { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.about-text p { font-size: 1.1rem; color: var(--text-gray); margin-bottom: 1.5rem; }
.about-collage { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.collage-img { border-radius: var(--radius-lg); overflow: hidden; }
.collage-img img { width: 100%; height: 100%; object-fit: cover; }
.img-1 { grid-row: span 2; height: 100%; }
.img-2 { height: 200px; }
.img-3 { height: 200px; }

/* Etkinlikler */
.news-section { padding: 6rem 0; background-color: var(--white); }
.news-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2rem; }
.all-link { font-family: var(--font-heading); font-weight: 700; font-size: 1rem; color: var(--dark); display: flex; align-items: center; gap: 0.5rem; }
.all-link:hover { color: var(--primary); }

.filter-pills { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }
.filter-pill { padding: 0.75rem 1.5rem; border-radius: 50px; border: 1px solid var(--border-color); background: var(--white); font-family: var(--font-heading); font-weight: 600; cursor: pointer; transition: 0.2s; color: var(--dark); display: flex; align-items: center; gap: 0.5rem;}
.filter-pill.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.filter-pill:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.news-card { background: var(--gray-bg); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-color); transition: 0.3s; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent;}
.news-img { height: 220px; position: relative; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.icon-placeholder { background: var(--white); display: flex; align-items: center; justify-content: center; font-size: 4rem; color: var(--primary-light); }
.news-badge { position: absolute; inset: 0; background: rgba(30, 33, 37, 0.7); display: flex; align-items: center; justify-content: center; color: var(--white); font-family: var(--font-heading); font-weight: 900; font-size: 2rem; text-align: center; letter-spacing: 2px; }
.news-content { padding: 2rem; background: var(--white); }
.event-date { font-size: 0.85rem; color: var(--text-gray); font-weight: 600; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.news-content h4 { font-size: 1.25rem; margin-bottom: 1rem; }
.news-content p { color: var(--text-gray); font-size: 0.95rem; margin-bottom: 1.5rem; }
.read-more { font-family: var(--font-heading); color: var(--primary); font-weight: 700; font-size: 0.95rem; }

/* Partnerler Scroll */
.partners-section { padding: 4rem 0; }
.subtitle { color: var(--text-gray); margin-bottom: 3rem; }
.partners-wrapper { overflow: hidden; white-space: nowrap; position: relative; mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); }
.partners-track { display: inline-flex; width: max-content; }
.partners-slide { display: flex; align-items: center; gap: 4rem; padding-right: 4rem; animation: scrollMarquee 20s linear infinite; }
.partner-logo img { height: 50px; width: auto; object-fit: contain; opacity: 0.7; transition: 0.3s; }
.partner-logo:hover img { opacity: 1; }
@keyframes scrollMarquee { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }

/* İstatistikler */
.stats-section { padding: 6rem 0; background-color: var(--gray-bg); }
.map-container { font-size: 12rem; color: var(--primary); opacity: 0.15; margin-bottom: 2rem; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.stat-number { font-size: 3.5rem; font-weight: 700; font-family: var(--font-heading); color: var(--dark); line-height: 1; margin-bottom: 0.5rem; }
.stat-label { font-family: var(--font-body); font-weight: 600; font-size: 1.1rem; color: var(--text-gray);}

/* CTA Banner */
.cta-banner { background: url('https://images.unsplash.com/photo-1529333166437-7750a6dd5a70?q=80&w=1920&auto=format&fit=crop') center/cover; padding: 5rem 0; position: relative; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: rgba(43, 43, 43, 0.85); }
.cta-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }
.cta-text h2 { font-size: 2.2rem; color: var(--white); font-weight: 700; margin-bottom: 0.5rem; }
.cta-text h3 { font-size: 1.3rem; color: var(--white); font-weight: 400; opacity: 0.9;}
.cta-buttons { display: flex; gap: 1rem; }

/* Açık Renk Footer */
footer { background-color: var(--gray-bg); padding: 4rem 0 2rem; border-top: 1px solid var(--border-color); }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand h2 { font-size: 2.5rem; font-weight: 900; color: var(--primary); letter-spacing: -1px; line-height: 1;}
.footer-brand p { font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem; color: var(--dark); margin-bottom: 2rem; }
.footer-bakanlik { display: flex; align-items: center; gap: 1rem; border: 1px solid var(--border-color); padding: 1rem; border-radius: 8px; color: var(--text-gray); font-size: 0.85rem; max-width: max-content; }
.footer-bakanlik i { color: var(--primary); font-size: 1.5rem; }

.footer-links { display: flex; gap: 6rem; }
.link-column h4 { font-size: 1.1rem; color: var(--dark); margin-bottom: 1.5rem; }
.link-column a { display: block; color: var(--text-gray); font-size: 0.95rem; margin-bottom: 1rem; font-weight: 600; }
.link-column a:hover { color: var(--primary); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 2rem; border-top: 1px solid var(--border-color); flex-wrap: wrap; gap: 1rem;}
.footer-bottom p { color: var(--text-gray); font-size: 0.85rem; font-weight: 600; }
.social-links { display: flex; align-items: center; gap: 1.5rem; }
.social-links a { color: var(--dark); font-size: 1.25rem; }
.social-links a:hover { color: var(--primary); }

.footer-credit { text-align: center; margin-top: 2rem; font-size: 0.85rem; color: var(--text-gray); }
.footer-credit .heart { color: #ef4444; }
.footer-credit .arda-link { font-family: var(--font-heading); font-weight: 700; color: var(--dark); }
.footer-credit .arda-link:hover { color: var(--primary); }


/* ==========================================================
   MOBİL UYUMLULUK (RESPONSIVE) - YAN YANA ÖZEL TASARIM
   ========================================================== */

@media (max-width: 992px) {
    /* Header ve Mobil Menü */
    .mobile-menu-btn { display: block; }
    .nav-wrapper {
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 5.5rem; left: 0; width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        padding: 2rem; gap: 2rem;
        z-index: 99;
    }
    .nav-wrapper.active { display: flex; }
    .nav-links { flex-direction: column; gap: 1.5rem; text-align: center; width: 100%; }
    .header-actions { flex-direction: column; width: 100%; gap: 1rem; }
    .header-actions .btn { width: 100%; }

    .section-title { font-size: 2rem; }
    
    /* Hero Tablet - YAN YANA TUTULUYOR */
    .hero { padding: 2rem 0; min-height: auto; }
    .hero-inner { 
        grid-template-columns: 1fr 1fr; /* Tablette de yan yana */
        gap: 2rem; 
        padding: 2.5rem; 
    }
    .hero-text h2 { font-size: 2.2rem; }
    .hero-text p { font-size: 1rem; }
    
    .about-inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .footer-top { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .footer-bakanlik { margin: 0 auto; }
    .footer-links { flex-direction: column; gap: 2rem; }
    .cta-inner { flex-direction: column; text-align: center; justify-content: center; }
    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-buttons .btn { width: 100%; }
}

@media (max-width: 768px) {
    /* Hero Telefon Görünümü - MOBİLDE BİLE YAN YANA (MİKRO TASARIM) */
    .hero-wrapper { border-radius: 12px; }
    .hero-inner { 
        grid-template-columns: 1fr 1fr; /* Mobilde de 2 sütun! */
        gap: 1rem; 
        padding: 1rem; 
        align-items: center;
    }
    
    /* Sol Taraf (Yazılar) Küçültüldü */
    .hero-text h2 { font-size: 1.1rem; margin-bottom: 0.5rem; line-height: 1.2; }
    .hero-text p { font-size: 0.75rem; margin-bottom: 0.75rem; line-height: 1.3; }
    .hero-text .btn { padding: 0.5rem 1rem; font-size: 0.7rem; border-radius: 20px;}

    /* Sağ Taraf (Form) Küçültüldü */
    .join-card { 
        padding: 0.75rem; 
        border-radius: 12px; 
        box-shadow: 0 4px 15px rgba(0,0,0,0.15); 
    }
    .join-card h3 { font-size: 0.9rem; margin-bottom: 0.25rem; }
    .join-card h3 i { font-size: 0.8rem; }
    .join-desc { font-size: 0.65rem; margin-bottom: 0.5rem; line-height: 1.2; }
    
    .form-group { margin-bottom: 0.4rem; }
    .form-group input, .form-group select {
        padding: 0.4rem 0.5rem; 
        font-size: 0.7rem; 
        border-radius: 6px;
    }
    .join-card .btn-block { padding: 0.5rem; font-size: 0.75rem; margin-top: 0.2rem; border-radius: 20px;}
    .bank-link { font-size: 0.6rem; margin-top: 0.4rem; }

    /* Diğer Bölümler */
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 2.5rem; }
    .partner-logo img { height: 40px; }
    .partners-slide { gap: 3rem; padding-right: 3rem; }
    .filter-pills { justify-content: center; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 1.5rem; }
}

@media (max-width: 480px) {
    /* Çok küçük ekranlarda (Örn: iPhone SE) aşırı bozulmayı önlemek için ince ayar */
    .hero-inner { gap: 0.5rem; padding: 0.75rem; }
    .hero-text h2 { font-size: 1rem; }
    .hero-text p { font-size: 0.65rem; }
    .join-card { padding: 0.6rem; }
    .join-card h3 { font-size: 0.85rem; }
    
    .stats-grid { grid-template-columns: 1fr; } 
    .about-collage { grid-template-columns: 1fr; } 
    .img-1 { grid-row: auto; height: 250px; }
}