/* FitGlobal - Ultimate Premium Business Stylesheet */
:root {
    --gold: #D4AF37;
    --gold-hover: #B89730;
    --dark-navy: #0a192f;
    --deep-blue: #112240;
    --slate: #64748b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --shadow-premium: 0 40px 100px rgba(10, 25, 47, 0.12);
    --transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Montserrat', sans-serif; background: var(--white); color: #1e293b; line-height: 1.7; overflow-x: hidden; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 40px; }

/* Header */
.header { background: #fff; padding: 25px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,0.05); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.main-logo-text { font-size: 28px; font-weight: 800; color: var(--gold); letter-spacing: -1px; }
.sub-logo { font-size: 11px; font-weight: 700; color: var(--dark-navy); text-transform: uppercase; letter-spacing: 2px; }
.nav a { text-decoration: none; color: var(--dark-navy); margin-left: 30px; font-weight: 700; font-size: 12px; }
.btn-outline { border: 2px solid var(--gold); padding: 10px 25px; border-radius: 50px; color: var(--gold) !important; transition: var(--transition); }
.btn-outline:hover { background: var(--gold); color: white !important; }

/* Hero */
.hero { background: linear-gradient(rgba(10,25,47,0.9), rgba(10,25,47,0.9)), url('https://images.unsplash.com/photo-1557804506-669a67965ba0?auto=format&fit=crop&w=1600&q=80'); background-size: cover; padding: 150px 0; color: white; text-align: center; }
.hero h1 { font-size: 4rem; font-weight: 800; margin-bottom: 20px; }
.hero h1 span { color: var(--gold); }
.hero-text { font-size: 1.2rem; max-width: 700px; margin: 0 auto 40px; opacity: 0.8; }
.btn-gold { background: var(--gold); color: white; padding: 18px 45px; text-decoration: none; font-weight: 800; border-radius: 10px; display: inline-block; transition: var(--transition); }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(212,175,55,0.4); }

/* E-Book Grid (5'li Dizilim) */
.preview-section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; color: var(--dark-navy); }
.gold-line { width: 50px; height: 3px; background: var(--gold); margin: 20px auto; }
.preview-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

.ebook-card { background: white; border-radius: 20px; overflow: hidden; border: 1px solid #eee; transition: var(--transition); display: flex; flex-direction: column; }
.ebook-card:hover { transform: translateY(-15px); box-shadow: var(--shadow-premium); }
.ebook-cover { height: 260px; background: var(--dark-navy); display: flex; align-items: center; justify-content: center; color: var(--gold); }
.ebook-cover i { font-size: 4rem; transition: var(--transition); }
.ebook-info { padding: 20px; flex-grow: 1; }
.category { color: var(--gold); font-weight: 800; font-size: 10px; text-transform: uppercase; margin-bottom: 10px; display: block; }
.ebook-info h5 { font-size: 1.1rem; color: var(--dark-navy); margin-bottom: 10px; font-weight: 700; }
.ebook-info p { font-size: 0.85rem; color: var(--slate); line-height: 1.5; }

/* Login Section (image_08b044.png Odaklı) */
.login-section { padding: 120px 0; background: var(--light-bg); }
.login-card { background: white; max-width: 550px; margin: 0 auto; padding: 60px; border-radius: 40px; box-shadow: var(--shadow-premium); text-align: center; }
.login-icon { font-size: 3rem; color: var(--dark-navy); margin-bottom: 20px; }
.login-header h3 { font-size: 2rem; color: var(--dark-navy); font-weight: 800; margin-bottom: 10px; }
.input-group { margin-bottom: 20px; text-align: left; }
.input-group label { display: block; font-weight: 600; color: var(--slate); font-size: 14px; margin-bottom: 8px; text-align: center; }
.input-wrapper { position: relative; max-width: 350px; margin: 0 auto; }
.input-wrapper i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--dark-navy); font-size: 14px; }
.input-wrapper input { width: 100%; padding: 12px 15px 12px 40px; border: 1px solid #ccc; border-radius: 4px; font-family: inherit; }

.form-options { display: flex; justify-content: center; gap: 15px; align-items: center; margin: 20px 0; font-size: 13px; color: var(--slate); }
.form-options a { color: #6366f1; text-decoration: none; }

.btn-submit { width: 100%; max-width: 350px; padding: 18px; background: #d4af37; color: white; border: none; font-weight: 800; font-size: 1.1rem; border-radius: 10px; cursor: pointer; transition: var(--transition); }
.btn-submit:hover { background: #b89730; transform: scale(0.98); }

/* Footer */
.main-footer { background: var(--dark-navy); color: #fff; padding: 60px 0 30px; text-align: center; }
.footer-brand .main-logo-text { margin-bottom: 10px; }
.footer-grid { display: flex; justify-content: center; gap: 50px; margin: 30px 0; }
.footer-links h4 { color: var(--gold); margin-bottom: 15px; }
.footer-links ul { list-style: none; }
.footer-links a { color: #94a3b8; text-decoration: none; font-size: 14px; line-height: 2.5; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; margin-top: 30px; font-size: 12px; color: #64748b; }

/* Responsive */
@media (max-width: 1200px) { .preview-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .preview-grid { grid-template-columns: repeat(1, 1fr); } .hero h1 { font-size: 2.5rem; } }

/* Portal Layout */
.portal-container { max-width: 1200px; margin: 50px auto; padding: 20px; }
.portal-header { text-align: center; margin-bottom: 40px; }
.portal-header h1 { font-size: 2.2rem; color: #1e293b; font-weight: 800; }
.portal-main { display: grid; grid-template-columns: 350px 1fr; gap: 30px; }

/* Sidebar */
.sidebar-card { background: white; padding: 40px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); text-align: center; }
.license-circle { width: 120px; height: 120px; border: 8px solid #1a5c2a; border-radius: 50%; margin: 30px auto; display: flex; align-items: center; justify-content: center; font-size: 3rem; font-weight: 800; color: #1e293b; }
.status-text { color: #64748b; font-weight: 600; margin-bottom: 30px; }
.btn-cancel { background: none; border: 1px solid #ef4444; color: #ef4444; padding: 10px; border-radius: 8px; font-size: 0.8rem; cursor: pointer; transition: 0.3s; }
.btn-cancel:hover { background: #ef4444; color: white; }

/* Library Grid */
.library-grid { display: flex; flex-direction: column; gap: 15px; }
.book-item { background: white; padding: 20px 30px; border-radius: 15px; display: flex; align-items: center; box-shadow: 0 4px 15px rgba(0,0,0,0.03); border: 1px solid #edf2f7; transition: 0.3s; }
.book-item:hover { transform: translateX(5px); border-color: #d4af37; }
.book-icon { font-size: 2rem; color: #1a5c2a; margin-right: 25px; }
.book-details { flex-grow: 1; }
.book-details h4 { margin-bottom: 5px; color: #1e293b; }
.book-details p { font-size: 0.85rem; color: #94a3b8; }

/* Actions */
.book-actions { display: flex; align-items: center; gap: 15px; }
.btn-read { background: #1a5c2a; color: white; padding: 12px 25px; border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 0.9rem; transition: 0.3s; }
.btn-read:hover { background: #144520; }
.btn-download { color: #64748b; font-size: 1.2rem; transition: 0.3s; }
.btn-download:hover { color: #d4af37; }

/* Responsive */
@media (max-width: 900px) {
    .portal-main { grid-template-columns: 1fr; }
    .sidebar-card { margin-bottom: 30px; }
}