/* ==========================================================================
   ALTN NE KADAR - DESIGN SYSTEM (ASSETS/CSS/STYLES.CSS)
   ========================================================================== */

/* Root Variables & Color Tokens */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #121824;
    --bg-card: #182030;
    --bg-card-hover: #1f2a3e;
    --bg-glass: rgba(24, 32, 48, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(243, 156, 18, 0.25);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --gold-primary: #f39c12;
    --gold-secondary: #d4af37;
    --gold-gradient: linear-gradient(135deg, #f39c12 0%, #e67e22 50%, #d4af37 100%);
    --gold-glow: rgba(243, 156, 18, 0.2);
    
    --accent-success: #10b981;
    --accent-success-bg: rgba(16, 185, 129, 0.12);
    --accent-danger: #ef4444;
    --accent-danger-bg: rgba(239, 68, 68, 0.12);
    --accent-info: #3b82f6;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-glass: rgba(255, 255, 255, 0.9);
    
    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(212, 175, 55, 0.3);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; margin-top: 1.5rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.2rem; margin-top: 1.25rem; margin-bottom: 0.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--gold-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--gold-secondary);
}

/* Header & Navigation */
.header-ticker {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
    font-size: 12px;
}

.ticker-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    overflow: hidden;
}

.demo-notice-badge, .status-badge {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 11px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
}

.badge-live {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-fallback {
    background: rgba(243, 156, 18, 0.15);
    color: var(--gold-primary);
    border: 1px solid rgba(243, 156, 18, 0.35);
}

.badge-offline {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.system-alert-banner {
    background: var(--bg-card);
    border-left: 4px solid var(--gold-primary);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin: 15px 0 20px 0;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.system-alert-banner.alert-warning {
    border-left-color: var(--gold-primary);
}

.system-alert-banner.alert-danger {
    border-left-color: var(--accent-danger);
}

.live-status-meta-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-secondary);
    margin: 14px auto 0;
    max-width: 650px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.live-status-meta-bar .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ticker-items-scroll {
    display: flex;
    align-items: center;
    gap: 20px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}

.ticker-items-scroll::-webkit-scrollbar {
    display: none;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.site-header {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo i {
    font-size: 24px;
    color: var(--gold-primary);
}

.brand-logo .logo-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
}

.brand-logo .logo-title span {
    color: var(--gold-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 16px;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--gold-primary);
    background: var(--bg-card);
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
}

.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.theme-toggle-btn:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

/* Breadcrumb Navigation */
.breadcrumb-container {
    padding: 16px 0;
    font-size: 13px;
    color: var(--text-muted);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    flex-wrap: wrap;
}

.breadcrumb-list li a {
    color: var(--text-secondary);
}

.breadcrumb-list li a:hover {
    color: var(--gold-primary);
}

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 11px;
}

/* Main Layout Blocks */
.hero-header-block {
    padding: 30px 0 20px;
    text-align: center;
}

.hero-header-block h1 {
    font-size: 2.4rem;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

/* Grid & Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), border-color var(--transition);
}

.price-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-glow);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.card-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

.card-prices {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.price-row.highlight .price-val {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    color: var(--text-primary);
}

.card-footer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-muted);
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

.change-badge {
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
}

.change-badge.positive {
    color: var(--accent-success);
    background: var(--accent-success-bg);
}

.change-badge.negative {
    color: var(--accent-danger);
    background: var(--accent-danger-bg);
}

/* Detail Page Specific Top Price Block */
.detail-price-hero {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.hero-price-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-price-item .label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.hero-price-item .val {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

/* Calculator Card Component */
.calculator-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin: 24px 0;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-control, .form-select {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--gold-primary);
}

.calc-results-display {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    padding: 18px;
    margin-top: 20px;
    text-align: center;
}

.result-main-val {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--gold-primary);
    margin: 6px 0;
}

/* Responsive Ad Placement Component System (Google AdSense Ready) */
.ad-container, .ad-slot-container {
    width: 100%;
    max-width: 970px;
    margin: 32px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    clear: both;
    box-sizing: border-box;
}

.ad-placeholder, .ad-slot {
    width: 100%;
    max-width: 100%;
    min-height: 90px;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: background var(--transition), border-color var(--transition);
}

.ad-container ins.adsbygoogle, .ad-slot-container ins.adsbygoogle {
    display: block !important;
    margin: 0 auto;
    max-width: 100%;
}

/* Optional Sidebar Layout for Large Desktop (>= 1200px) */
@media (min-width: 1200px) {
    .article-with-sidebar {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 30px;
        align-items: start;
    }

    .ad-container.ad-sidebar {
        max-width: 300px;
        margin: 0;
    }

    .ad-container.ad-sidebar .ad-placeholder {
        min-height: 250px;
    }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .ad-container, .ad-slot-container {
        max-width: 728px;
        margin: 28px auto;
    }
    
    .ad-placeholder, .ad-slot {
        min-height: 90px;
    }
}

/* Mobile (<= 767px) */
@media (max-width: 767px) {
    .ad-container, .ad-slot-container {
        width: 100%;
        max-width: 100%;
        margin: 24px auto;
        padding: 0 4px;
        overflow-x: hidden;
    }

    .ad-placeholder, .ad-slot {
        width: 100%;
        max-width: 100%;
        min-height: 100px;
        border-radius: var(--radius-sm);
        font-size: 11px;
    }
}

/* Article & Content Styling */
.content-article {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 30px;
}

.content-article p {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.content-article ul, .content-article ol {
    margin-bottom: 1.2rem;
    padding-left: 20px;
    color: var(--text-secondary);
}

.content-article li {
    margin-bottom: 6px;
}

/* Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.specs-table th, .specs-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.specs-table th {
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
}

/* FAQ Accordion / List */
.faq-section {
    margin-top: 30px;
}

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    margin-bottom: 12px;
}

.faq-question {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.faq-answer {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Footer */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 24px;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-size: 15px;
    margin-bottom: 14px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-disclaimer {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
}

/* Mobile Responsive Adjustments (Mobile-first tuning) */
@media (max-width: 768px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.3rem; }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }
    
    .nav-menu.active {
        display: flex;
    }

    .hamburger-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .detail-price-hero {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-price-hero {
        grid-template-columns: 1fr;
    }
}