@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Russo+One&display=swap');

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

:root {
    /* Updated to match n3r0 logo purple shades */
    --primary-color: #8678f9;
    --secondary-color: #b2a8fd;
    --accent-color: #9a8dfd;
    --light-purple: #c7d2fe;
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --border-color: #333333;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --gradient: radial-gradient(circle at 100%, #b2a8fd, #8678f9 50%, #c7d2fe 75%, #9a8dfd 75%);
    --gradient-linear: linear-gradient(135deg, #8678f9, #9a8dfd);
    
    /* Otava Colors */
    --otava-blue: #3498db;
    --otava-dark-blue: #2980b9;
    --otava-light-blue: #5dade2;
    --otava-bg: #f8f9fa;
    --otava-sidebar: #ecf0f1;
    --otava-border: #bdc3c7;
}

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

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

/* Visibility Classes */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-family: 'Russo One', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: radial-gradient(circle at 100%, #b2a8fd, #8678f9 50%, #c7d2fe 75%, #9a8dfd 75%);
    background-size: 200% auto;
    color: #000;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: animatedTextGradient 1.5s linear infinite;
}

@keyframes animatedTextGradient {
    to {
        background-position: 200% center;
    }
}

.logo-pulse {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: all 0.3s ease;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    font-family: 'Russo One', sans-serif;
    font-weight: 800;
    background: radial-gradient(circle at 100%, #b2a8fd, #8678f9 50%, #c7d2fe 75%, #9a8dfd 75%);
    background-size: 200% auto;
    color: #000;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: animatedTextGradient 1.5s linear infinite;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-linear);
    color: white;
    box-shadow: 0 4px 20px rgba(134, 120, 249, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(134, 120, 249, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 80px;
    text-align: center;
}

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

/* Mobile Hero Visual */
.mobile-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
}

.mobile-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    width: 100%;
    max-width: 400px;
}

.mobile-demo-card {
    background: var(--bg-secondary);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    width: 100%;
    box-shadow: 0 10px 30px rgba(134, 120, 249, 0.3);
    animation: fadeInUp 1s ease;
}

.demo-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: pulse 2s infinite;
}

.demo-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.demo-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.demo-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.demo-features-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.demo-features-list li i {
    color: var(--primary-color);
    width: 16px;
}

.mobile-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
}

.mobile-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.mobile-feature:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.mobile-feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
    min-width: 20px;
}

.mobile-feature span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Browser Mockup (Desktop Only) */
.script-preview {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.script-preview:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg);
}

.browser-mockup {
    animation: fadeInUp 1s ease;
}

.browser-frame {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    border: 1px solid var(--border-color);
    width: 900px;
    height: 600px;
}

.browser-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.browser-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.close { background: #ff5f57; }
.control.minimize { background: #ffbd2e; }
.control.maximize { background: #28ca42; }

.address-bar {
    flex: 1;
    background: var(--bg-primary);
    padding: 6px 12px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.address-bar i {
    color: var(--primary-color);
}

.browser-menu {
    color: var(--text-secondary);
    cursor: pointer;
}

/* Authentic Otava Interface */
.otava-interface {
    background: var(--otava-bg);
    height: 100%;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: flex;
    flex-direction: column;
}

.otava-top-bar {
    background: var(--otava-blue);
    color: white;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    height: 40px;
}

.otava-nav-icons {
    display: flex;
    gap: 8px;
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.nav-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-icon.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.otava-title {
    font-weight: 500;
    text-align: center;
    flex: 1;
}

.otava-right-icons {
    display: flex;
    gap: 8px;
}

.otava-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.otava-sidebar {
    width: 280px;
    background: var(--otava-sidebar);
    border-right: 1px solid var(--otava-border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    background: var(--otava-light-blue);
    color: white;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.nav-item:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.nav-item.active {
    background-color: rgba(52, 152, 219, 0.2);
    border-left-color: var(--otava-blue);
    color: var(--otava-dark-blue);
}

.nav-item i {
    width: 16px;
    text-align: center;
}

.nav-item span {
    flex: 1;
    font-size: 14px;
}

.otava-main {
    flex: 1;
    padding: 0;
    overflow-y: auto;
    position: relative;
}

.breadcrumb {
    background: #34495e;
    color: white;
    padding: 8px 16px;
    font-size: 12px;
}

.content-header {
    padding: 16px;
    border-bottom: 1px solid var(--otava-border);
}

.glossary-badge {
    background: var(--otava-blue);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.exercise-content {
    padding: 24px;
}

.exercise-content h2 {
    color: var(--otava-blue);
    margin-bottom: 8px;
    font-size: 24px;
}

.instruction {
    color: #666;
    margin-bottom: 24px;
    font-size: 16px;
}

.question-item {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.5;
}

.question-number {
    font-weight: bold;
    color: var(--otava-blue);
    min-width: 20px;
}

.question-text {
    flex: 1;
    min-width: 300px;
}

.question-continuation {
    width: 100%;
    margin-left: 28px;
    margin-top: 8px;
}

.answer-input {
    border: 1px solid var(--otava-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    background: white;
    min-width: 100px;
    margin: 0 4px;
}

.answer-input.filled {
    background-color: #e8f5e8;
    border-color: #28a745;
    color: #155724;
}

.answer-input:focus {
    outline: none;
    border-color: var(--otava-blue);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.degree-symbol {
    margin-left: 8px;
    font-size: 18px;
}

.content-navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 16px;
    pointer-events: none;
}

.nav-arrow {
    width: 40px;
    height: 40px;
    background: rgba(52, 152, 219, 0.8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: all;
    transition: all 0.2s;
}

.nav-arrow:hover {
    background: var(--otava-blue);
    transform: scale(1.1);
}

/* N3R0 Floating Window - Exact Design */
.n3r0-floating-window {
    position: absolute;
    width: 400px;
    height: 350px;
    top: 100px;
    left: 20px;
    background-color: #333;
    color: #fff;
    border: 1px solid #000;
    border-radius: 10px;
    z-index: 10000;
    cursor: move;
    font-family: 'Manrope', sans-serif;
    overflow: hidden;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    animation: slideInFromLeft 1s ease 0.5s both;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.n3r0-top-bar {
    background-color: #222;
    padding: 5px;
    height: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.n3r0-title {
    font-weight: 800;
    font-size: 18px;
    font-family: 'Russo One', sans-serif;
    background: radial-gradient(circle at 100%, #b2a8fd, #8678f9 50%, #c7d2fe 75%, #9a8dfd 75%);
    background-size: 200% auto;
    color: #000;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: animatedTextGradient 1.5s linear infinite;
}

.n3r0-controls {
    display: flex;
    gap: 8px;
}

.minimize-btn {
    background-color: #ffaa00;
    border: none;
    border-radius: 15px;
    color: #fff;
    cursor: pointer;
    padding: 0;
    font-size: 14px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.close-btn {
    background-color: #ff4d4d;
    border: none;
    border-radius: 15px;
    color: #fff;
    cursor: pointer;
    padding: 0;
    font-size: 14px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.n3r0-main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.n3r0-answers-container {
    flex: 2;
    padding: 10px;
    overflow-y: auto;
    background-color: #2b2b2b;
    border-right: 1px solid #444;
    height: 100%;
}

.answer-item {
    padding: 6px 0;
    border-bottom: 1px solid #444;
    font-size: 12px;
}

.answer-value {
    color: #fff;
    font-weight: 500;
}

.n3r0-buttons-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 10px;
    gap: 8px;
    background-color: #333;
}

.n3r0-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 500;
    transition: all 0.2s;
}

.fill-btn {
    background-color: #8678f9;
    color: white;
}

.fill-btn:hover {
    background-color: #9a8dfd;
}

.n3r0-status {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #8678f9;
    animation: pulse 2s infinite;
}

.status-indicator.active {
    animation: pulse 2s infinite;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    position: absolute;
    font-size: 2rem;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.float-element:nth-child(1) { top: 20%; left: 10%; }
.float-element:nth-child(2) { top: 60%; right: 15%; }
.float-element:nth-child(3) { bottom: 30%; left: 20%; }
.float-element:nth-child(4) { top: 40%; right: 25%; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-10px) rotate(-5deg); }
    75% { transform: translateY(-15px) rotate(3deg); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: var(--gradient-linear);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(134, 120, 249, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(134, 120, 249, 0.2);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Demo Section */
.demo {
    padding: 100px 0;
}

.demo-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-video {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-video:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(134, 120, 249, 0.2);
}

.video-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.video-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.demo-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.demo-step:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-linear);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
}

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

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.plans-container {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.plan-card {
    background: linear-gradient(145deg, #1a1a1a 0%, #1a1a1a 100%);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, #8678f9 0%, #9a8dfd 100%);
    mask: linear-gradient(#1a1a1a 0 0) content-box, linear-gradient(#1a1a1a 0 0);
    mask-composite: exclude;
    z-index: -1;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #8678f9 0%, #9a8dfd 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.plan-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #8678f9 0%, #9a8dfd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-description {
    color: #666;
    font-size: 1rem;
    margin-bottom: 0;
}

.plan-features {
    margin-bottom: 2.5rem;
}

.plan-features h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #fff;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #777;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li i {
    color: #8678f9;
    font-size: 1rem;
    min-width: 20px;
}

.features-list li span {
    color: #fff;
    font-size: 0.95rem;
    line-height: 1.4;
}

.plan-action {
    text-align: center;
}

.plan-btn {
    width: 100%;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #8678f9 0%, #9a8dfd 100%);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(134, 120, 249, 0.3);
}

.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(134, 120, 249, 0.4);
}

.plan-btn i {
    margin-right: 0.5rem;
}

.plan-guarantee {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.plan-guarantee i {
    color: #8678f9;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        gap: 2rem;
    }
    
    .browser-frame {
        width: 100%;
        max-width: 700px;
        height: 500px;
    }
    
    .n3r0-floating-window {
        width: 320px;
        height: 280px;
    }
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: right 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero {
        padding-top: 120px;
        min-height: calc(100vh - 120px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
        flex-wrap: wrap;
    }
    
    .demo-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .plan-card {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .plan-title {
        font-size: 1.8rem;
    }
    
    .plan-btn {
        font-size: 1rem;
        padding: 0.9rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 100px;
        min-height: calc(100vh - 100px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .mobile-demo-card {
        padding: 1.5rem;
    }
    
    .demo-title {
        font-size: 1.2rem;
    }
    
    .mobile-features {
        gap: 0.8rem;
    }
    
    .mobile-feature {
        padding: 10px 12px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .plan-card {
        padding: 1.5rem 1rem;
        margin: 0 0.5rem;
    }
    
    .features-list li {
        gap: 0.5rem;
        padding: 0.5rem 0;
    }
    
    .features-list li span {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Modal styles */
#billgang-container {
    position: relative;
    z-index: 9999;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--bg-primary);
}

.download-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    margin-top: -2rem;
}

.download-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.download-step {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    transition: all 0.3s ease;
}

.download-step:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(134, 120, 249, 0.2);
}

.download-step-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.download-step-number {
    background: var(--gradient-linear);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.download-step h3 {
    font-size: 1.8rem;
    margin: 0;
}

.download-step-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.chrome-install-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.chrome-install-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(134, 120, 249, 0.3);
}

.chrome-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4285f4, #34a853);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.chrome-text {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
}

.chrome-title {
    font-weight: 600;
    font-size: 1.1rem;
}

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

.chrome-install-btn > i {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.browser-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 0 0.5rem;
}

.browser-note i {
    color: var(--primary-color);
}

.download-divider {
    text-align: center;
    color: var(--primary-color);
    font-size: 2rem;
    margin: 1rem 0;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.2rem;
    padding: 1rem 2rem;
    margin: 0;
}

.download-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.download-note i {
    color: var(--primary-color);
}

.download-help {
    margin-top: 4rem;
    display: flex;
    justify-content: center;
}

.help-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    max-width: 500px;
}

.help-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.help-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.help-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.help-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.help-link:hover {
    gap: 1rem;
}

/* Responsive for Download Section */
@media (max-width: 768px) {
    .download-step {
        padding: 2rem 1.5rem;
    }

    .download-step-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .download-step h3 {
        font-size: 1.5rem;
    }

    .chrome-install-btn {
        padding: 1.2rem;
    }

    .chrome-icon {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }

    .download-btn {
        font-size: 1rem;
        padding: 0.9rem 1.5rem;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .download-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .download-step {
        padding: 1.5rem 1rem;
    }

    .download-step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .download-step h3 {
        font-size: 1.3rem;
    }

    .download-step-description {
        font-size: 1rem;
    }

    .chrome-text {
        gap: 0.2rem;
    }

    .chrome-title {
        font-size: 1rem;
    }

    .chrome-subtitle {
        font-size: 0.85rem;
    }

    .help-card {
        padding: 1.5rem;
    }

    .help-card i {
        font-size: 2.5rem;
    }

    .help-card h4 {
        font-size: 1.3rem;
    }
}