/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors - Dark Theme (default) */
    --color-bg-primary: #0B0F19;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1A2030;
    --color-surface: #1E293B;
    --color-surface-hover: #2D3748;
    --color-accent-primary: #6366F1;
    --color-accent-secondary: #8B5CF6;
    --color-accent-glow: rgba(99, 102, 241, 0.4);
    --color-text-primary: #F8FAFC;
    --color-text-secondary: #94A3B8;
    --color-text-muted: #64748B;
    --color-success: #10B981;
    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-light: rgba(148, 163, 184, 0.2);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    --gradient-glow: radial-gradient(ellipse, var(--color-accent-glow), transparent 70%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    --font-accent: 'Rubik', sans-serif;
    --font-mono: 'Inter', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px var(--color-accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Container */
    --container-max: 1200px;
}
/* Light Theme */
body.light-theme {
    --color-bg-primary: #F8FAFC;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #F1F5F9;
    --color-surface: #E2E8F0;
    --color-surface-hover: #CBD5E1;
    --color-accent-glow: rgba(99, 102, 241, 0.2);
    --color-text-primary: #1E293B;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;
    --color-border: rgba(15, 23, 42, 0.1);
    --color-border-light: rgba(15, 23, 42, 0.2);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.12);
}

body.light-theme .bg-grid {
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.08) 1px, transparent 1px);
}

body.light-theme .token-card {
    background: linear-gradient(135deg, #FFFFFF, #F1F5F9);
}

body.light-theme .modal__qr-container {
    background: #F8FAFC;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    font-size: 16px;
}

/* Typography assignments */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-accent);
    font-weight: 600;
    line-height: 1.2;
}

p, li, span, a, button, label, input, textarea {
    font-family: var(--font-primary);
}

.hero__title, .section__title, .final-cta-card__title {
    font-family: var(--font-accent);
}

.hero__subtitle, .section__subtitle {
    font-family: var(--font-secondary);
}

.btn {
    font-family: var(--font-secondary);
    font-weight: 500;
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Background Elements
   =================================== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent-primary);
    top: -200px;
    right: -200px;
    animation: glowFloat1 20s ease-in-out infinite;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-secondary);
    bottom: -150px;
    left: -150px;
    animation: glowFloat2 18s ease-in-out infinite;
}

@keyframes glowFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, 50px) scale(1.1); }
    66% { transform: translate(50px, -30px) scale(0.95); }
}

@keyframes glowFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.05); }
    66% { transform: translate(-30px, 30px) scale(0.98); }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px var(--color-accent-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--color-accent-glow);
}

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

.btn--secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-light);
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--spacing-sm) 0;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header__logo-icon {
    border-radius: var(--radius-md);
}

.header__logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__nav {
    display: flex;
    gap: var(--spacing-lg);
}

.header__link {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.header__link:hover {
    color: var(--color-text-primary);
}

.header__btn {
    margin-left: var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: var(--spacing-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-light);
    transform: rotate(15deg);
}

.theme-toggle__icon {
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.theme-toggle__icon--dark {
    display: none;
}

body.light-theme .theme-toggle__icon--light {
    display: none;
}

body.light-theme .theme-toggle__icon--dark {
    display: block;
}

/* Mobile Nav Toggle */
.header__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.header__mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    z-index: 1;
    overflow: hidden;
}

/* Animated background particles */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 80%, var(--color-accent-glow) 0%, transparent 25%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 30%),
                radial-gradient(circle at 40% 40%, rgba(99, 102, 241, 0.1) 0%, transparent 20%);
    animation: heroBgRotate 30s linear infinite;
    pointer-events: none;
}

@keyframes heroBgRotate {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--color-accent-glow); }
    50% { transform: scale(1.02); box-shadow: 0 0 20px 5px rgba(99, 102, 241, 0.1); }
}

.hero__badge svg {
    color: var(--color-accent-primary);
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: titleReveal 1s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__title-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    animation: subtitleReveal 1s ease-out 0.2s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes subtitleReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__actions {
    margin-bottom: var(--spacing-lg);
    animation: actionsReveal 1s ease-out 0.4s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes actionsReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__disclaimer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.hero__disclaimer svg {
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.hero__features {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    animation: featuresReveal 1s ease-out 0.6s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes featuresReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.hero__feature svg {
    color: var(--color-success);
}

/* Token Card */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.token-card {
    position: relative;
    width: 340px;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-surface), var(--color-bg-tertiary));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    overflow: hidden;
    animation: cardFloat 8s ease-in-out infinite;
    transform-style: preserve-3d;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(1deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
    75% { transform: translateY(-20px) rotate(0.5deg); }
}

/* Enhanced glow animation */
.token-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-accent-primary), var(--color-accent-secondary), var(--color-accent-primary));
    background-size: 200% 200%;
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0;
    animation: borderGlow 4s ease-in-out infinite;
    transition: opacity var(--transition-base);
}

.token-card:hover::after {
    opacity: 0.5;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.token-card__glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--color-accent-glow), transparent 50%);
    opacity: 0.3;
    animation: glowRotate 10s linear infinite;
}

@keyframes glowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.token-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.token-card__chip {
    width: 50px;
    height: 35px;
    background: linear-gradient(135deg, #D4AF37, #AA8C2C);
    border-radius: var(--radius-sm);
}

.token-card__status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-success);
}

.token-card__status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.token-card__body {
    margin-bottom: var(--spacing-md);
}

.token-card__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.token-card__code {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.token-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.token-card__secure {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-success);
}

.token-card__expires {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ===================================
   Sections Common
   =================================== */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
    z-index: 1;
}

.section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* ===================================
   How It Works
   =================================== */
.how-it-works {
    background: var(--color-bg-secondary);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.step {
    display: flex;
    gap: var(--spacing-md);
    max-width: 280px;
    flex: 1;
    min-width: 250px;
}

.step__number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step__content {
    flex: 1;
}

.step__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.step__description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.step__line {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    margin-top: 24px;
    flex-shrink: 0;
}

/* ===================================
   Devices Section
   =================================== */
.devices {
    background: var(--color-bg-primary);
}

.device-tabs__nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.device-tabs__tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.device-tabs__tab:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-light);
}

.device-tabs__tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.device-tabs__tab svg {
    flex-shrink: 0;
}

.device-tabs__content {
    position: relative;
}

.device-panel {
    display: none;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.device-panel.active {
    display: block;
}

.device-panel__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.device-panel__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: white;
    flex-shrink: 0;
}

.device-panel__title h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.device-panel__title p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.device-panel__steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.device-panel__step {
    display: flex;
    gap: var(--spacing-md);
}

.device-panel__step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.device-panel__step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.device-panel__step-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ===================================
   Support Section
   =================================== */
.support {
    background: var(--color-bg-secondary);
}

.support-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-surface), var(--color-bg-tertiary));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.support-card__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.support-card__icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
}

.support-card__body {
    flex: 1;
    min-width: 250px;
}

.support-card__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.support-card__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.support-card__note {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.support-card__note svg {
    flex-shrink: 0;
}

/* ===================================
   Trust Section
   =================================== */
.trust {
    background: var(--color-bg-primary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.trust-card {
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.trust-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

.trust-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-md);
}

.trust-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.trust-card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    background: var(--color-bg-secondary);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: background var(--transition-fast);
}

.faq-item__header:hover {
    background: var(--color-surface-hover);
}

.faq-item__icon {
    color: var(--color-text-secondary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-item__icon {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-item__content {
    max-height: 200px;
}

.faq-item__content p {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Final CTA
   =================================== */
.final-cta {
    background: var(--color-bg-primary);
}

.final-cta-card {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(135deg, var(--color-surface), var(--color-bg-tertiary));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.final-cta-card__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.final-cta-card__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.footer__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.footer__logo-icon {
    border-radius: var(--radius-sm);
}

.footer__text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer__copyright,
.footer__disclaimer {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===================================
   Modal
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal__content {
    position: relative;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal__content {
    transform: scale(1) translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.modal__body {
    text-align: center;
}

.modal__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-success);
}

.modal__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.modal__subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

.modal__qr-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.modal__qr-code {
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__qr-code img {
    display: block;
}

.modal__code-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.modal__code {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-accent-primary);
    word-break: break-all;
}

.modal__code--link {
    font-size: 0.85rem;
    max-width: 280px;
}

.modal__copy {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: white;
    transition: transform var(--transition-fast);
}

.modal__copy:hover {
    transform: scale(1.05);
}

.modal__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.modal__info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.modal__info-item svg {
    color: var(--color-text-muted);
}

.modal__actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Toast Notification
   =================================== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: var(--color-success);
    color: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1100;
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__content {
        order: 2;
    }
    
    .hero__visual {
        order: 1;
    }
    
    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero__actions {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero__features {
        justify-content: center;
    }
    
    .token-card {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
    }
    
    .header__mobile-toggle {
        display: flex;
    }
    
    .header__btn {
        display: none;
    }
    
    .hero {
        padding-top: calc(70px + var(--spacing-xl));
    }
    
    .step__line {
        display: none;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step {
        width: 100%;
    }
    
    .device-tabs__nav {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: var(--spacing-sm);
    }
    
    .device-tabs__tab {
        white-space: nowrap;
    }
    
    .support-card__content {
        flex-direction: column;
        text-align: center;
    }
    
    .support-card__note {
        justify-content: center;
    }
    
    .footer__content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 3rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .token-card {
        width: 100%;
        max-width: 300px;
    }
    
    .btn--large {
        width: 100%;
        justify-content: center;
    }
    
    .hero__actions .btn--large {
        width: 100%;
    }
    
    .modal__actions {
        flex-direction: column;
    }
    
    .modal__actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .bg-grid,
    .bg-glow,
    .header,
    .modal,
    .toast {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* Custom styles for Postbudka site */
.history-section, .districts-section, .personalities-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.history-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.history-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.history-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.districts-grid, .personalities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.district-card, .personality-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.district-card:hover, .personality-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.district-card h3, .personality-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.district-card p, .personality-card p {
    color: var(--color-text-secondary);
}

/* Auth Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.auth-modal__content {
    position: relative;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.auth-modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.auth-modal__close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.auth-form {
    width: 100%;
}

.auth-form h2 {
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--color-text-primary);
}

.auth-form form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-form input {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 1rem;
}

.auth-form button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--color-accent-glow);
}

.switch-form {
    text-align: center;
    margin-top: var(--spacing-md);
}

.switch-form a {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.switch-form a:hover {
    text-decoration: underline;
}

/* Choice Modal */
.choice-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.choice-modal__content {
    position: relative;
    width: 90%;
    max-width: 500px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
}

.choice-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.choice-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.choice-btn--freedom {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px var(--color-accent-glow);
}

.choice-btn--freedom:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--color-accent-glow);
}

.choice-btn--block {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.choice-btn--block:hover {
    background: var(--color-bg-tertiary);
    transform: translateY(-2px);
}

/* Freedom Result Modal */
.freedom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.freedom-modal__content {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.vless-link-container {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    word-break: break-all;
}

#vlessLink {
    display: block;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

#copyLinkBtn {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.installation-instructions {
    text-align: left;
    margin-top: var(--spacing-lg);
}

.installation-instructions h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.installation-instructions ol {
    padding-left: var(--spacing-lg);
}

.installation-instructions li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}