/* ===================================
   BITCOIN BOLIVIA - Main Stylesheet
   Inspired by Bolivia colors: Red, Yellow, Green
   =================================== */

/* CSS Custom Properties */
:root {
    /* Brand Colors - Bolivia inspired */
    --bitcoin: #F7931A;
    --bitcoin-light: #FFB84D;
    --bolivia-red: #D52B1E;
    --bolivia-yellow: #F9E300;
    --bolivia-green: #007934;
    --qr-simple-blue: #0066CC;
    
    /* Dark Theme */
    --bg-primary: #0A0B0E;
    --bg-secondary: #12141A;
    --bg-card: #181B22;
    --bg-card-hover: #1F232C;
    --border-color: #282D38;
    --border-subtle: #1C1F28;
    
    /* Text Colors */
    --text-white: #FFFFFF;
    --text-primary: #F5F5F7;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    /* Accent Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --usdt-green: #26A17B;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #F7931A 0%, #FFB84D 100%);
    --gradient-bolivia: linear-gradient(135deg, #D52B1E 0%, #F9E300 50%, #007934 100%);
    --gradient-usdt: linear-gradient(135deg, #26A17B 0%, #50D9A3 100%);
    --gradient-dark: linear-gradient(180deg, #12141A 0%, #0A0B0E 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(247, 147, 26, 0.15);
    --shadow-qr: 0 0 30px rgba(0, 102, 204, 0.2);
    
    /* Typography */
    --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern with Bolivia colors */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 15% 15%, rgba(247, 147, 26, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 85% 85%, rgba(38, 161, 123, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 102, 204, 0.02) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-white);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

p { margin-bottom: var(--space-md); }

a {
    color: var(--bitcoin);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--bitcoin-light); }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

::selection {
    background: var(--bitcoin);
    color: var(--bg-primary);
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 11, 14, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    padding: var(--space-md) var(--space-lg);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-white);
    text-decoration: none;
}

.nav-logo .bitcoin-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--bg-primary);
}

.nav-logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav-logo .logo-text .main {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo .logo-text .sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bitcoin);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--text-white);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-gold);
    color: var(--bg-primary) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(247, 147, 26, 0.4);
}

.nav-cta::after { display: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(247, 147, 26, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 950px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(247, 147, 26, 0.1);
    border: 1px solid rgba(247, 147, 26, 0.3);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--bitcoin);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease;
}

.hero-badge i { font-size: 0.9rem; }

.hero h1 {
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .highlight-usdt {
    background: var(--gradient-usdt);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(247, 147, 26, 0.4);
    color: var(--bg-primary);
}

.btn-usdt {
    background: var(--gradient-usdt);
    color: var(--text-white);
}

.btn-usdt:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(38, 161, 123, 0.4);
    color: var(--text-white);
}

.btn-qr {
    background: linear-gradient(135deg, #0066CC 0%, #0088FF 100%);
    color: var(--text-white);
}

.btn-qr:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.4);
    color: var(--text-white);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--bitcoin);
    color: var(--text-white);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* ===================================
   QR SIMPLE FUNNEL SECTION
   =================================== */

.qr-funnel {
    background: var(--bg-secondary);
    padding: var(--space-3xl) var(--space-lg);
    position: relative;
    overflow: hidden;
}

.qr-funnel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 102, 204, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.qr-funnel-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.qr-funnel-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.qr-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(0, 102, 204, 0.15);
    border: 1px solid rgba(0, 102, 204, 0.4);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: #66B3FF;
    margin-bottom: var(--space-lg);
}

.qr-funnel-header h2 {
    margin-bottom: var(--space-md);
}

.qr-funnel-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.qr-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.qr-step {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
}

.qr-step:hover {
    border-color: var(--qr-simple-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-qr);
}

.qr-step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0066CC 0%, #0088FF 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

.qr-step-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--space-lg) auto var(--space-md);
    font-size: 1.8rem;
    color: #66B3FF;
}

.qr-step h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.qr-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.qr-step .btn {
    width: 100%;
}

.qr-banks {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    padding: var(--space-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.bank-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

.bank-logo:hover {
    opacity: 1;
}

.bank-logo img {
    height: 40px;
    object-fit: contain;
}

.bank-logo span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Bolivia Map Glow Effect */
.bolivia-map-glow {
    width: 60px;
    height: 60px;
    background: var(--gradient-bolivia);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto;
    box-shadow: 0 0 30px rgba(213, 43, 30, 0.3);
}

/* ===================================
   INFLATION COMPARISON TABLE
   =================================== */

.inflation-section {
    padding: var(--space-3xl) var(--space-lg);
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.inflation-container {
    max-width: 1000px;
    margin: 0 auto;
}

.inflation-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.inflation-header h2 {
    margin-bottom: var(--space-md);
}

.inflation-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
    align-items: stretch;
    margin-bottom: var(--space-2xl);
}

.inflation-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
}

.inflation-card.danger {
    border-color: rgba(239, 68, 68, 0.3);
}

.inflation-card.success {
    border-color: rgba(38, 161, 123, 0.3);
}

.inflation-card:hover {
    transform: translateY(-5px);
}

.inflation-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.inflation-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.inflation-card.danger .inflation-card-icon {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.inflation-card.success .inflation-card-icon {
    background: rgba(38, 161, 123, 0.15);
    color: #26A17B;
}

.inflation-card-title h3 {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.inflation-card-title span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.inflation-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.stat-row .label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-row .value {
    font-weight: 600;
    font-size: 1rem;
}

.stat-row .value.negative {
    color: #EF4444;
}

.stat-row .value.positive {
    color: #10B981;
}

.inflation-vs {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vs-badge {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    color: var(--text-muted);
}

.inflation-cta {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(38, 161, 123, 0.1) 0%, rgba(247, 147, 26, 0.1) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(38, 161, 123, 0.3);
}

.inflation-cta h3 {
    margin-bottom: var(--space-sm);
}

.inflation-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* ===================================
   SECTIONS
   =================================== */

.section {
    padding: var(--space-3xl) var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--bitcoin);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(247, 147, 26, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    color: var(--bitcoin);
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--bitcoin);
    font-weight: 500;
    font-size: 0.9rem;
}

.card-link:hover {
    gap: var(--space-md);
}

/* Cities Section */
.cities-section {
    background: var(--bg-secondary);
}

.cities-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
}

.city-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.city-card .city-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.city-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
    color: var(--text-white);
}

.city-card span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===================================
   FAQ SECTION
   =================================== */

.faq-section {
    padding: var(--space-3xl) var(--space-lg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-color);
}

.faq-item.active {
    border-color: var(--bitcoin);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    text-align: left;
}

.faq-question i {
    color: var(--text-muted);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--bitcoin);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
}

.faq-answer-content p {
    margin-bottom: 0;
}

/* ===================================
   TRUST BADGES
   =================================== */

.trust-section {
    padding: var(--space-2xl) var(--space-lg);
    background: var(--bg-secondary);
}

.trust-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.trust-item {
    text-align: center;
    padding: var(--space-lg);
}

.trust-icon {
    width: 50px;
    height: 50px;
    background: rgba(247, 147, 26, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 1.3rem;
    color: var(--bitcoin);
}

.trust-item h4 {
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
}

.trust-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--bg-secondary);
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .nav-logo {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--bitcoin);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--bitcoin);
    border-color: var(--bitcoin);
    color: var(--bg-primary);
}

/* ===================================
   ARTICLE / CONTENT PAGES
   =================================== */

.article-hero {
    padding: calc(80px + var(--space-3xl)) var(--space-lg) var(--space-2xl);
    text-align: center;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

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

.article-hero h1 {
    margin-bottom: var(--space-md);
}

.article-hero .lead {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-3xl);
}

.article-content h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--border-color);
}

.article-content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.article-content ul, .article-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-content li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.article-content strong {
    color: var(--text-white);
}

/* Info Box */
.info-box {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.info-box.warning {
    background: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.3);
}

.info-box.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.info-box.danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.info-box p:last-child {
    margin-bottom: 0;
}

/* CTA Box */
.cta-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin: var(--space-xl) 0;
}

.cta-box h3 {
    margin-bottom: var(--space-sm);
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    margin: var(--space-xl) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}

th, td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

td {
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-bitcoin { color: var(--bitcoin); }
.text-usdt { color: var(--usdt-green); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: none;
        text-align: center;
        margin-bottom: var(--space-xl);
    }
    
    .inflation-comparison {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .inflation-vs {
        order: -1;
    }
    
    .vs-badge {
        transform: rotate(90deg);
    }
    
    .qr-steps {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(80px + var(--space-2xl));
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 320px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: auto;
    }
    
    .footer-brand .nav-logo {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 15px;
    }
    
    .section {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .cities-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .nav, .footer, .btn {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .article-content {
        max-width: 100%;
    }
}