/* PREMIUMCONTAS - Dark Gray Premium Landing Page */

:root {
    /* Dark Theme Colors - Matching Dashboard */
    --bg: #0a0a0b;
    --surface: #151518;
    --surface-hover: #1a1a1d;
    --surface-elevated: #1f1f23;
    --control-bg: #1a1a1d;
    --border: #252529;
    --border-subtle: rgba(255, 255, 255, 0.1);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;
    
    /* Accent Colors */
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #6d28d9;
    --success: #10b981;
    --success-light: #34d399;
    --error: #ef4444;
    --error-light: #fca5a5;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-card: linear-gradient(135deg, #151518 0%, #1a1a1d 100%);
    --gradient-hero: linear-gradient(180deg, #0a0a0b 0%, #151518 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
    --shadow-glow-success: 0 0 30px rgba(16, 185, 129, 0.3);
    
    /* 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: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(124, 58, 237, 0.3);
    color: var(--text);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--control-bg);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface-hover);
}


/* Header Premium Dark */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-slow);
}

.header.scrolled {
    background: rgba(10, 10, 11, 0.95);
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    transition: color var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.nav-link:hover {
    color: var(--text);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.btn.cc-btn-loading {
    cursor: wait;
}

.btn .cc-btn-spinner {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: rgba(255, 255, 255, 0.95);
    animation: ccSpin 800ms linear infinite;
    flex: 0 0 auto;
}

.btn .cc-btn-label {
    display: inline-block;
}

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

@media (prefers-reduced-motion: reduce) {
    .btn .cc-btn-spinner { animation: none; }
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border);
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--border-subtle);
    background: var(--surface);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 16px;
    font-weight: 700;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
}


/* Hero Section Dark Premium */
.hero {
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 540px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(124, 58, 237, 0.15);
    color: #a78bfa;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: var(--space-2xl);
    border: 1px solid rgba(124, 58, 237, 0.3);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--text);
    letter-spacing: -0.03em;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-muted);
    font-weight: 500;
}

.hero-feature-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-glow-success);
    flex-shrink: 0;
}

/* App Mockup Dark */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockup {
    position: relative;
    max-width: 400px;
    width: 100%;
    background: var(--surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(124, 58, 237, 0.2);
    overflow: hidden;
    border: 1px solid var(--border);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.app-header {
    background: var(--gradient-primary);
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
    color: white;
    text-align: center;
    position: relative;
}

.app-balance {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.app-balance-label {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
}

.app-content {
    padding: var(--space-lg);
    background: var(--surface);
}

.app-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.app-card {
    background: var(--control-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.app-card:hover {
    transform: translateY(-2px);
    background: var(--surface-hover);
    box-shadow: var(--shadow-md);
}

.app-card-icon {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.app-card-value {
    font-weight: 800;
    font-size: 1.375rem;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.app-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.app-card.income .app-card-value {
    color: var(--success-light);
}

.app-card.expense .app-card-value {
    color: var(--error-light);
}

.app-transactions {
    background: var(--control-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border);
}

.app-transaction {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.app-transaction:hover {
    background: var(--surface-hover);
    border-radius: var(--radius-sm);
    margin: 0 calc(-1 * var(--space-sm));
    padding: var(--space-sm);
}

.app-transaction:last-child {
    border-bottom: none;
}

.app-transaction-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.app-transaction.income .app-transaction-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
}

.app-transaction.expense .app-transaction-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error-light);
}

.app-transaction-details {
    flex: 1;
}

.app-transaction-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
    color: var(--text);
}

.app-transaction-category {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.app-transaction-amount {
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

.app-transaction.income .app-transaction-amount {
    color: var(--success-light);
}

.app-transaction.expense .app-transaction-amount {
    color: var(--error-light);
}


/* Stats Section */
.stats {
    padding: var(--space-3xl) 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
}

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

.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--bg);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(124, 58, 237, 0.15);
    color: #a78bfa;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(124, 58, 237, 0.3);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--text);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.feature-card {
    background: var(--gradient-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: var(--surface-hover);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.feature-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text);
    letter-spacing: -0.01em;
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    background: var(--gradient-card);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(2.5rem, 5vw, 3.25rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: var(--space-3xl);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--surface);
    color: var(--text);
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--border);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: 800;
}

.footer-description {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.875rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text);
}

.footer-links {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-normal);
}

.footer-link:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        height: 60px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .app-mockup {
        max-width: 320px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-lg {
        padding: var(--space-md) var(--space-lg);
        font-size: 14px;
    }
}