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

:root {
    --page-bg: #0f172a;        
    --section-bg: #020617;     
    --card-bg: #1e293b;        
    --primary-blue: #3b82f6;   
    --highlight-blue: #60a5fa; 
    --text-main: #f8fafc;      
    --text-muted: #94a3b8;     
    --border-color: #334155;   
    --input-bg: #0f172a;
    --danger-color: #ef4444;
    --success-green: #10b981;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--page-bg); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }

/* ==========================================
   NAVBAR (ÜST MENÜ)
   ========================================== */
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 5%; background-color: rgba(2, 6, 23, 0.9); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border-color); }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-main); display: flex; align-items: center; gap: 10px; }
.logo i { color: var(--highlight-blue); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { font-weight: 500; color: var(--text-muted); }
.nav-links a:hover { color: var(--highlight-blue); }
.btn-login-nav { border: 1px solid var(--primary-blue); color: var(--highlight-blue); padding: 8px 20px; border-radius: 8px; font-weight: 600; transition: all 0.3s; }
.btn-login-nav:hover { background-color: var(--primary-blue); color: white; }

/* ==========================================
   ANA SAYFA (HERO & SECTIONS)
   ========================================== */
.hero-section { text-align: center; padding: 100px 20px; background: linear-gradient(180deg, var(--section-bg) 0%, var(--page-bg) 100%); }

.hero-content h1 { 
    font-size: 3rem; 
    margin-bottom: 20px; 
    font-weight: 800; 
    background: linear-gradient(to right, #60a5fa, #a78bfa); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    background-clip: text; 
    color: transparent; 
}

.hero-content p { font-size: 1.1rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; }
.hero-buttons { display: flex; justify-content: center; gap: 20px; }
.btn-primary { background-color: var(--primary-blue); color: white; padding: 14px 30px; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: 0.3s; }
.btn-primary:hover { background-color: #2563eb; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3); }
.btn-outline { border: 1px solid var(--border-color); color: var(--text-main); padding: 14px 30px; border-radius: 8px; font-weight: 600; transition: 0.3s; }
.btn-outline:hover { background-color: rgba(255,255,255,0.05); border-color: var(--text-muted); }
.hero-stats { display: flex; justify-content: center; gap: 50px; margin-top: 60px; border-top: 1px solid var(--border-color); padding-top: 40px; }
.stat-item h3 { font-size: 2rem; color: var(--highlight-blue); }
.stat-item p { color: var(--text-muted); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 2.2rem; margin-bottom: 15px; }
.section-header p { color: var(--text-muted); }

/* Features & Roles Grid */
.features-section, .roles-section { padding: 80px 5%; }
.roles-section { background-color: var(--section-bg); }
.features-grid, .roles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.feature-card, .role-card { background-color: var(--card-bg); padding: 40px 30px; border-radius: 16px; border: 1px solid var(--border-color); text-align: center; transition: 0.3s; }
.feature-card:hover, .role-card:hover { transform: translateY(-5px); border-color: var(--primary-blue); }
.feature-icon, .role-icon { width: 60px; height: 60px; background-color: rgba(59, 130, 246, 0.1); color: var(--highlight-blue); border-radius: 16px; display: flex; justify-content: center; align-items: center; font-size: 1.8rem; margin: 0 auto 20px; }
.feature-card h3, .role-card h3 { margin-bottom: 15px; font-size: 1.3rem; }
.feature-card p, .role-card p { color: var(--text-muted); font-size: 0.95rem; }

.cta-section { text-align: center; padding: 100px 20px; background: linear-gradient(45deg, var(--primary-blue), #8b5cf6); color: white; }
.cta-section h2 { font-size: 2.5rem; margin-bottom: 20px; }
.cta-section p { font-size: 1.1rem; margin-bottom: 40px; opacity: 0.9; }
.btn-primary-white { background-color: white; color: var(--primary-blue); padding: 14px 35px; border-radius: 8px; font-weight: 700; transition: 0.3s; display: inline-block; }
.btn-primary-white:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.2); transform: translateY(-2px); }

/* ==========================================
   FORM, GİRİŞ & KAYIT ALANLARI
   ========================================== */
.auth-container, .contact-container { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 80px); padding: 40px 20px; }
.auth-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; width: 100%; max-width: 450px; padding: 40px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.auth-card.wide { max-width: 700px; }
.auth-header { text-align: center; margin-bottom: 30px; }
.auth-header i { font-size: 2.5rem; color: var(--highlight-blue); margin-bottom: 15px; }
.auth-header h2 { font-size: 1.8rem; margin-bottom: 8px; }
.auth-header p { color: var(--text-muted); font-size: 0.9rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.required { color: var(--danger-color); }
.input-wrapper { position: relative; }
.input-wrapper i { position: absolute; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.input-wrapper i:first-child { left: 16px; }
.input-wrapper i.password-toggle { right: 16px; left: auto; cursor: pointer; transition: color 0.2s; pointer-events: auto; }
.input-wrapper i.password-toggle:hover { color: var(--text-main); }
.input-wrapper input, .input-wrapper select { width: 100%; background-color: var(--input-bg); border: 1px solid var(--border-color); color: white; padding: 12px 16px 12px 45px; border-radius: 8px; outline: none; font-size: 0.95rem; transition: border-color 0.3s; }
.input-wrapper.no-icon input, .form-group textarea { padding-left: 16px; width: 100%; background-color: var(--input-bg); border: 1px solid var(--border-color); color: white; padding: 12px 16px; border-radius: 8px; outline: none; font-size: 0.95rem; transition: border-color 0.3s; }
.form-group textarea { min-height: 120px; resize: vertical; }
.input-wrapper input:focus, .form-group textarea:focus { border-color: var(--primary-blue); }

.btn-submit { width: 100%; background-color: var(--primary-blue); color: white; border: none; padding: 14px; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: 0.3s; margin-top: 10px; display: flex; justify-content: center; align-items: center; gap: 10px; }
.btn-submit:hover { background-color: #2563eb; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(59,130,246,0.3); }
.form-footer { text-align: center; margin-top: 25px; font-size: 0.9rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 20px; }
.form-footer a { color: var(--highlight-blue); font-weight: 600; }
.form-footer a:hover { text-decoration: underline; }

/* ==========================================
   İLETİŞİM BÖLÜMÜ
   ========================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; max-width: 1100px; width: 100%; background-color: var(--card-bg); border-radius: 16px; border: 1px solid var(--border-color); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.contact-info { background: linear-gradient(135deg, var(--section-bg), var(--page-bg)); padding: 50px 40px; border-right: 1px solid var(--border-color); }
.contact-info h2 { font-size: 2rem; margin-bottom: 15px; color: var(--text-main); }
.contact-info p { color: var(--text-muted); margin-bottom: 40px; }
.info-card { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
.info-icon { width: 50px; height: 50px; background-color: rgba(59, 130, 246, 0.1); color: var(--highlight-blue); border-radius: 12px; display: flex; justify-content: center; align-items: center; font-size: 1.3rem; flex-shrink: 0; }
.info-text h3 { font-size: 1rem; margin-bottom: 5px; color: var(--text-main); }
.info-text p { color: var(--text-muted); font-size: 0.9rem; }
.contact-form { padding: 50px 40px; }
.file-upload-wrapper { margin-bottom: 24px; }
.file-upload-btn { display: inline-flex; align-items: center; gap: 8px; background-color: rgba(255,255,255,0.05); border: 1px dashed var(--text-muted); color: var(--text-main); padding: 10px 20px; border-radius: 8px; cursor: pointer; font-size: 0.9rem; transition: 0.3s; }
.file-upload-btn:hover { background-color: rgba(255,255,255,0.1); border-color: var(--highlight-blue); color: var(--highlight-blue); }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .form-row, .contact-grid { grid-template-columns: 1fr; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .hero-buttons { flex-direction: column; }
}