/**
 * CateringOS - Titanium Compact Visual Edition v9.7
 * Mimar: Yaver Arancıoğlu
 * Açıklama: Merkezi Glassmorphism ve UI Bileşenleri
 */

:root { 
    --primary-blue: #3b82f6; 
    --dark-navy: #0f172a; 
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    --success-green: #22c55e;
    --danger-red: #ef4444;
}

body {
    background: linear-gradient(-45deg, #020617, #0f172a, #1e1b4b, #020617);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    font-family: 'Inter', system-ui, sans-serif;
    color: #fff;
    overflow-x: hidden;
    background-attachment: fixed;
}

@keyframes gradientBG { 
    0% { background-position: 0% 50%; } 
    50% { background-position: 100% 50%; } 
    100% { background-position: 0% 50%; } 
}

/* Navigasyon (Vitrin) */
.titanium-nav { 
    background: rgba(2, 6, 23, 0.7); 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border); 
    position: sticky; top: 0; z-index: 1000; 
}

.brand-logo h1 { color: #fff; font-weight: 900; letter-spacing: -2px; margin: 0; font-size: 1.8rem; }
.brand-logo span { color: var(--primary-blue); text-shadow: 0 0 30px rgba(59, 130, 246, 0.4); }

/* Butonlar */
.btn-titanium { 
    background: var(--primary-blue); color: white; border: none; 
    padding: 0.8rem 1.8rem; border-radius: 2rem; font-weight: 800; font-size: 0.85rem; 
    transition: all 0.4s ease; text-decoration: none; box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3); 
}
.btn-titanium:hover { background: #2563eb; transform: translateY(-3px); color: white; }

/* İkincil Eylem Butonu (Ghost/Outline) */
.btn-outline-titanium {
    background: transparent; 
    color: white; 
    border: 1px solid rgba(255,255,255,0.2); 
    padding: 1rem 2rem;
    border-radius: 1rem; 
    font-weight: 800; 
    font-size: 0.9rem; 
    transition: all 0.4s ease; 
    text-decoration: none;
    display: inline-block;
}
.btn-outline-titanium:hover { 
    background: rgba(255,255,255,0.05); 
    border-color: white; 
    color: white; 
    transform: translateY(-3px); 
}

/* Cam Kartlar (Glassmorphism) */
.glass-card { 
    background: var(--glass-bg); backdrop-filter: blur(25px); 
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border); border-radius: 1.5rem; 
    padding: 2.5rem; position: relative; z-index: 10; 
}
.glass-panel { /* CRM İçi Paneller */
    background: var(--glass-bg); backdrop-filter: blur(25px); 
    border: 1px solid var(--glass-border); border-radius: 1.5rem; padding: 2rem; 
}

/* Form Elemanları */
.tech-input { 
    background: rgba(255, 255, 255, 0.04) !important; 
    border: 1px solid rgba(255, 255, 255, 0.1) !important; 
    border-radius: 1rem !important; padding: 1rem 1.2rem !important; 
    color: #fff !important; font-size: 0.95rem; transition: all 0.3s ease; 
}
.tech-input:focus { 
    border-color: var(--primary-blue) !important; 
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.1) !important; outline: none; 
}
.input-label { 
    font-size: 0.7rem; font-weight: 800; letter-spacing: 1.2px; 
    color: rgba(255,255,255,0.4); text-transform: uppercase; margin-bottom: 0.5rem; margin-left: 0.8rem; display: block; 
}

/* Tipografi ve Etkileşim */
.section-title { font-weight: 900; letter-spacing: -1px; font-size: 2.5rem; }
.section-subtitle { color: rgba(255, 255, 255, 0.5); font-size: 0.85rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 1rem; }
.orb { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%); border-radius: 50%; z-index: 1; filter: blur(60px); pointer-events: none; }
.section-padding { padding: 5rem 0; }


/* ==========================================================================
   MOBİL İÇİN AKIŞKAN MİMARİ (LIQUID RESPONSIVE ENGINE)
   ========================================================================== */

/* Navbar Özel Mobil Ayarları */
.nav-text {
    font-weight: 600; 
    font-size: 1rem; 
    opacity: 0.8;
    transition: opacity 0.3s ease;
}
.nav-text:hover { opacity: 1; }
.mobile-menu-btn {
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.3rem 0.6rem;
    border-radius: 0.5rem;
}

@media (max-width: 768px) {
    /* Menü içi ayırıcı çizgi (sadece mobilde) */
    .border-top-mobile { border-top: 1px solid var(--glass-border) !important; }
    
    /* Font ve Boşluk Optimizasyonları */
    .section-padding { padding: 3rem 0; }
    .section-title { font-size: 1.8rem !important; }
    
    /* Ana sayfa devasa başlığını (Inline style ezmek için) mobilde küçült */
    h1[style*="font-size: 4rem"] { font-size: 2.2rem !important; line-height: 1.2 !important; }
    
    /* Cam Kartların iç boşluklarını daralt */
    .glass-card { padding: 1.5rem; border-radius: 1rem; }
    
    /* Arka plandaki devasa ışık kürelerini (Orb) mobilde ufalayıp sağa sola taşırmasını engelle */
    .orb { width: 300px; height: 300px; filter: blur(40px); }
    
    /* Butonları mobilde ekranı tam kaplayacak şekilde (Thumb-friendly) ayarla */
    .btn-titanium, .btn-outline-titanium { 
        width: 100%; 
        text-align: center; 
        margin-bottom: 0.5rem;
        padding: 1rem;
    }
    
    /* ROI Hesaplayıcı kutusundaki devasa para birimini küçült */
    #res-monthly { font-size: 2rem !important; }
    
    /* Footer logo boyutlandırma ve hizalama */
    footer .brand-logo { transform: scale(0.5) !important; margin-bottom: -10px;}
    footer .mb-3 { display: flex; flex-direction: column; gap: 10px; align-items: center;}
    footer span { display: none; } /* Footer'daki dik çizgileri (|) mobilde gizle */
}