:root {
    --primary-red: #E53935;
    --primary-green: #25D366;
    --dark-text: #1a202c;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --font-main: 'Inter', sans-serif;
}

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

body { 
    font-family: var(--font-main); 
    background-color: var(--light-bg); 
    color: var(--dark-text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Üst Menü (Navbar) */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 32px;
    color: var(--primary-red);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 20px;
    font-weight: 800;
    color: #111827;
    line-height: 1.2;
}

.brand-sub {
    font-size: 12px;
    color: #6B7280;
    font-weight: 600;
}

.nav-phone-btn {
    background-color: #059669; /* Koyu yeşil tonu */
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}
.nav-phone-btn:hover {
    background-color: #047857;
}

/* Hero Section (Açık Renkli, Desenli Arka Plan) */
.hero-section {
    min-height: calc(100vh - 80px); /* Navbar yüksekliğini çıkar */
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 30px 30px;
    padding: 40px 20px;
}

.hero-container {
    max-width: 800px;
    text-align: center;
}

.badge {
    display: inline-block;
    background-color: rgba(5, 150, 105, 0.1);
    color: #059669;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 10px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-red);
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-desc {
    font-size: 18px;
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Butonlar */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    max-width: 350px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-red {
    background-color: var(--primary-red);
    box-shadow: 0 10px 20px rgba(229, 57, 53, 0.2);
}
.btn-red:hover {
    background-color: #D32F2F;
}

.btn-green {
    background-color: var(--primary-green);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
}
.btn-green:hover {
    background-color: #1EBE57;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .nav-container {
        padding: 12px 15px;
    }
    
    .nav-phone-btn span {
        display: none; /* Mobilde sadece ikon kalsın veya ikisi de kalsın ama küçük olsun */
    }
    .nav-phone-btn {
        padding: 10px;
        border-radius: 50%;
        width: 45px;
        height: 45px;
        justify-content: center;
    }
    .nav-phone-btn i {
        font-size: 18px;
        margin: 0;
    }

    .hero-title {
        font-size: 32px;
    }
    .hero-subtitle {
        font-size: 28px;
    }
    .hero-desc {
        font-size: 15px;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 100%;
    }
}