/* --- TEMEL AYARLAR --- */
:root {
    --primary-color: #00897B; /* Güven veren Turkuaz/Yeşil */
    --secondary-color: #FF7043; /* Dikkat çeken Şeftali/Turuncu */
    --text-dark: #263238;      /* Koyu Metin */
    --text-light: #ECEFF1;     /* Açık Metin */
    --background: #FFFFFF;     /* Arka plan */
    --container-width: 1100px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    background-color: var(--background);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- NAVİGASYON/HEADER --- */
.navbar {
    padding: 25px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

/* --- HERO (ANA BÖLÜM) --- */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero h1 span {
    /* GÜNCELLEME: İkincil rengi (His) buraya ekledik. */
    color: var(--secondary-color);
}

.hero p {
    font-size: 20px;
    color: #546E7A;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    width: 100%;
    max-width: 450px;
    margin-top: 40px;
}

/* --- İNDİRME BUTONLARI --- */
.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px; /* Logolar arası boşluk */
    flex-wrap: wrap;
    margin-top: 20px;
}

.store-link {
   display: inline-block;
    vertical-align: middle;
    transition: transform 0.2s ease; /* Sadece transform animasyonu kaldı */
}

.store-link:hover {
    transform: translateY(-3px);
    /* box-shadow satırı silindi */
    border-radius: 8px; 
}

.store-link img {
    height: 60px; /* Orijinal rozetlerin yüksekliğini ayarlar (standart 40px-60px arasıdır) */
    width: auto;
}


/* --- ÖZELLİKLER BÖLÜMÜ --- */
.features {
    padding: 80px 0;
    background-color: #F9FAFB;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: #FFFFFF;
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
    /* GÜNCELLEME: İkincil rengi (Vurgu) ikonlara ekledik. */
    color: var(--secondary-color);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 16px;
    color: #546E7A;
}

/* --- SON ÇAĞRI (FINAL CTA) --- */
.cta {
    padding: 80px 0;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--text-light);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* --- FOOTER --- */
.footer {
    padding: 40px 0;
    text-align: center;
    background-color: #37474F;
    color: #B0BEC5;
}

.footer p {
    font-size: 14px;
}

.footer a {
    color: #FFFFFF;
    text-decoration: none;
}


/* --- RESPONSIVE TASARIM (MOBİL UYUM) --- */

/* Tabletler için */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 18px;
    }

    .features-grid {
        grid-template-columns: 1fr; /* Özellikleri alt alta diz */
    }
    
    .store-link img {
        height: 50px; /* Tablette logoları biraz küçült */
    }
}

/* Mobil cihazlar için */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 30px;
    }
    .hero p {
        font-size: 16px;
    }
    
    .download-buttons {
        gap: 15px;
    }

    .store-link img {
        height: 45px; /* Mobilde logoları ayarla */
    }
}