/* Global Variable Tokens */
:root {
    --bg-dark: #08090d;
    --bg-card: rgba(17, 20, 28, 0.75);
    --bg-terminal: #0b0d13;
    --border-color: rgba(255, 255, 255, 0.06);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --primary-cyan: #00f2fe;
    --primary-blue: #4facfe;
    --primary-gold: #ffe259;
    --primary-orange: #ffa751;
    
    --glow-cyan: rgba(0, 242, 254, 0.15);
    --glow-gold: rgba(255, 226, 89, 0.15);
    
    --gradient-cyan: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 100%);
    --gradient-gold: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-orange) 100%);
    --gradient-dark: linear-gradient(180deg, rgba(8, 9, 13, 0.8) 0%, rgba(13, 16, 23, 0.95) 100%);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-display: 'Space Grotesk', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100%;
}

/* Canvas Background */
#canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation Header */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(8, 9, 13, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.3));
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: var(--transition-smooth);
}

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

.nav-actions {
    display: flex;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 5px;
    z-index: 110;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-bounce);
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.875rem;
    border-radius: 6px;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-cyan);
    color: #040508;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--text-secondary);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* Badges & Gradient Texts */
.badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
}

.gradient-text-cyan {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Sections Structure */
section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Hero Section */
.hero-section {
    padding-top: 12rem;
    padding-bottom: 8rem;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-subtitle strong {
    color: var(--text-primary);
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--border-color);
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(255, 226, 89, 0.08) 50%, transparent 70%);
    filter: blur(20px);
    z-index: 1;
    transform: scale(1.1);
    pointer-events: none;
}

.hero-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 20px;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: float 6s ease-in-out infinite;
}

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

/* Features Section */
.features-section {
    background: linear-gradient(180deg, transparent 0%, rgba(13, 16, 23, 0.4) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 16px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    color: var(--text-primary);
}

.feature-icon-wrapper.cyan-glow {
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid rgba(0, 242, 254, 0.2);
    color: var(--primary-cyan);
}

.feature-icon-wrapper.cyan-glow::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-cyan);
    filter: blur(10px);
    opacity: 0.15;
    z-index: -1;
}

.feature-icon-wrapper.gold-glow {
    background: rgba(255, 226, 89, 0.1);
    border: 1px solid rgba(255, 226, 89, 0.2);
    color: var(--primary-gold);
}

.feature-icon-wrapper.gold-glow::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-gold);
    filter: blur(10px);
    opacity: 0.15;
    z-index: -1;
}

.feature-icon {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.7;
}

/* Demo Section */
.demo-section {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: stretch;
}

/* Invoice Box Card */
.invoice-box-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.invoice-box {
    background: #11141c;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    position: relative;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.invoice-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.invoice-header .company-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.invoice-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.invoice-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.invoice-details .row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.invoice-details .row span {
    color: var(--text-secondary);
}

.invoice-details .row strong {
    color: var(--text-primary);
}

.invoice-details .row.border-top {
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
}

.invoice-details .row.grand-total {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1rem;
    font-size: 1.15rem;
    font-weight: 700;
}

.invoice-details .row.grand-total span {
    color: var(--text-primary);
}

.invoice-details .row.grand-total strong {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-icon {
    transition: var(--transition-smooth);
}

#run-demo-btn:hover .btn-icon {
    transform: translateX(3px);
}

/* Terminal Simulator */
.terminal-box-wrapper {
    display: flex;
    flex-direction: column;
}

.terminal-box {
    background: var(--bg-terminal);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.terminal-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    position: relative;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dots .dot.red { background-color: #ef4444; }
.terminal-dots .dot.yellow { background-color: #f59e0b; }
.terminal-dots .dot.green { background-color: #10b981; }

.terminal-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #e5e7eb;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    line-height: 1.5;
}

.terminal-line {
    word-break: break-all;
}

.terminal-line .prompt {
    color: var(--primary-cyan);
    margin-right: 0.5rem;
    font-weight: bold;
}

.terminal-line.system {
    color: #9ca3af;
}

.terminal-line.success {
    color: #10b981;
}

.terminal-line.warning {
    color: #f59e0b;
}

.terminal-line.highlight-line {
    color: #f43f5e;
}

.blink-line {
    display: flex;
    align-items: center;
}

.blink-line::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--primary-cyan);
    margin-left: 4px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    from, to { background-color: transparent }
    50% { background-color: var(--primary-cyan) }
}

/* Install Section */
.install-card {
    background: linear-gradient(135deg, rgba(17, 22, 34, 0.8) 0%, rgba(10, 12, 18, 0.9) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.install-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 226, 89, 0.05) 0%, transparent 60%);
    z-index: 1;
    pointer-events: none;
}

.install-info {
    position: relative;
    z-index: 2;
}

.install-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.install-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.install-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.install-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.install-features li span {
    color: var(--primary-gold);
    font-weight: 700;
}

.install-code-wrapper {
    background: #06070a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.code-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.code-title {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
}

.btn-copy:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.code-body {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
}

.code-body code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: #e5e7eb;
    display: block;
    line-height: 1.6;
}

.c-comment {
    color: var(--text-muted);
}

.c-cmd {
    color: var(--primary-cyan);
}

/* Footer styling */
.footer {
    background-color: #040507;
    border-top: 1px solid var(--border-color);
    padding: 6rem 0 3rem 0;
    position: relative;
    z-index: 10;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 360px;
}

.footer-brand .logo {
    margin-bottom: 1.25rem;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links-group {
    display: flex;
    justify-content: flex-end;
    gap: 6rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--primary-cyan);
}

.footer-column a.disabled-link {
    cursor: not-allowed;
    opacity: 0.5;
}

.footer-column a.disabled-link:hover {
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 2rem;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Reveal Scroll Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* Responsive Layout Settings (Mobile First) */
@media (max-width: 992px) {
    section {
        padding: 5rem 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        order: -1;
    }
    
    .hero-image {
        max-width: 350px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .install-card {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-links-group {
        justify-content: flex-start;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(8, 9, 13, 0.98);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 2rem 0;
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
}