@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* 
 * Biletrum Elite Base
 * Projenin ana renkleri ve global ayarları burada tanımlanır.
 */

:root {
    /* Ana Renk Paleti */
    --primary: #2563EB;
    --primary-light: #60A5FA;
    --primary-dark: #1E40AF;
    --primary-soft: rgba(37, 99, 235, 0.08);
    --secondary: #FFEE00;
    
    --accent: #0F172A;
    --favorite: #FF7070;
    --favorite-soft: rgba(255, 112, 112, 0.1);
    
    /* Arka Plan ve Yüzeyler */
    --bg-main: #FFFFFF;
    --bg-card: #F8FAFC;
    --border-light: #E2E8F0;
    
    /* Durum Renkleri */
    --success: #059669;
    --warning: #D97706;
    --error: #DC2626;
    --info: #2563EB;
    
    /* Metin Renkleri */
    --text-main: #1E293B;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    /* Animasyonlar */
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s ease;
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

section {
    margin-bottom: 80px;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    width: 100%;
    gap: 15px;
    color: var(--accent);
}

.section-title span {
    flex-shrink: 0;
    order: 1;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-light);
    order: 2;
}

.er-footer-bottom {
    margin-top: 30px;
    padding: 20px 0;
    border-top: 1px solid var(--border-light);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.er-view-all {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: 0.3s;
    white-space: nowrap;
    flex-shrink: 0;
    order: 3;
}

.er-view-all:hover {
    color: var(--primary);
    transform: translateX(3px);
}

.er-view-all i {
    width: 14px;
    height: 14px;
}

/* Tipografi */
h1 { font-size: 3.5rem; font-weight: 700; color: var(--accent); }
h2 { font-size: 2.2rem; font-weight: 600; color: var(--accent); }
h3 { font-size: 1.75rem; font-weight: 600; } /* 28px */
p { color: var(--text-muted); }


/* Layout & Grid System */
.er-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.er-section {
    padding: 80px 0;
}

.er-grid {
    display: grid;
    gap: 30px;
}

.er-grid-2 { grid-template-columns: repeat(2, 1fr); }
.er-grid-3 { grid-template-columns: repeat(3, 1fr); }
.er-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive Grid */
@media (max-width: 1024px) {
    .er-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .er-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .er-container { padding: 0 20px; }
    .er-grid-4, .er-grid-3, .er-grid-2 { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .er-section { padding: 50px 0; }
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}