/* Modern Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Earthy Green Color Palette */
    --primary: #609966;
    --primary-dark: #40513B;
    --primary-light: #EDF1D6;
    --accent: #9DC08B;
    --accent-dark: #609966;
    --accent-light: #EDF1D6;
    --success: #9DC08B;
    --sage: #9DC08B;
    --forest: #40513B;
    
    /* Neutral Colors */
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Semantic Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary: var(--gray-500);
    --border: var(--gray-200);
    --background: #FFFFFF;
    --background-alt: var(--gray-50);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* 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 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    font-size: 16px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    animation: fadeIn 0.5s ease-out;
    transition: var(--transition);
}

.nav:hover {
    background: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo img {
    border-radius: var(--radius-md);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.btn-nav {
    background: var(--primary) !important;
    color: white !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-nav::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-nav:hover::before {
    width: 300px;
    height: 300px;
}

.btn-nav:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(96, 153, 102, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, #609966 0%, #40513B 100%);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 0.8s ease-out;
}

.hero-mockup {
    animation: slideInRight 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.2s both;
    transition: var(--transition);
}

.hero-badge:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(96, 153, 102, 0.1), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 24px rgba(96, 153, 102, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.stat {
    text-align: center;
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-4px);
}

.stat:hover .stat-value {
    color: var(--accent);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Mockup Placeholder */
.hero-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-placeholder {
    width: 100%;
    max-width: 320px;
}

.mockup-placeholder.small {
    max-width: 280px;
}

.mockup-frame {
    background: #f8f9fa;
    border-radius: 2.5rem;
    padding: 0.75rem;
    box-shadow: 0 20px 40px -12px rgb(0 0 0 / 0.4);
    transition: var(--transition-slow);
    animation: float 4s ease-in-out infinite;
}

.mockup-frame:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 35px 60px -12px rgb(0 0 0 / 0.6);
}

.mockup-screen {
    background: white;
    border-radius: 2rem;
    aspect-ratio: 9 / 19.5;
    overflow: hidden;
    position: relative;
}

.hero-full-image {
    width: 120%;
    height: 120%;
    object-fit: contain;
    transition: var(--transition-slow);
    animation: float 4s ease-in-out infinite;
}

.hero-full-image:hover {
    transform: translateY(-8px) scale(1.02);
}

.tutorial-full-image {
    width: 110%;
    height: 110%;
    object-fit: contain;
    transition: var(--transition-slow);
}

.tutorial-full-image:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Mobile responsive sizing */
@media (max-width: 768px) {
    .hero-full-image {
        width: 150%;
        height: 150%;
    }
    
    .tutorial-full-image {
        width: 140%;
        height: 140%;
    }
}

@media (max-width: 480px) {
    .hero-full-image {
        width: 180%;
        height: 180%;
    }
    
    .tutorial-full-image {
        width: 160%;
        height: 160%;
    }
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--gray-300);
    padding: var(--spacing-lg);
    text-align: center;
}

.placeholder-content svg {
    margin-bottom: var(--spacing-sm);
    opacity: 0.3;
}

.placeholder-content p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* Section Styles */
.section {
    padding: var(--spacing-lg) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* Features Section */
.features-section {
    background: white;
}

.features-grid-main {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.feature-card-main {
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out both;
}

.feature-card-main:nth-child(1) { animation-delay: 0.1s; }
.feature-card-main:nth-child(2) { animation-delay: 0.2s; }
.feature-card-main:nth-child(3) { animation-delay: 0.3s; }
.feature-card-main:nth-child(4) { animation-delay: 0.4s; }

.feature-card-main::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    opacity: 0.5;
    transition: var(--transition);
}

.feature-card-main:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(96, 153, 102, 0.15);
    border-color: var(--primary);
}

.feature-card-main:hover .feature-icon-main {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 16px rgba(96, 153, 102, 0.3);
}

.feature-card-main:hover .feature-number {
    opacity: 0.2;
    transform: scale(1.1);
}

.feature-card-main:hover::before {
    opacity: 0.8;
}

.feature-number {
    font-size: 5rem;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.1;
    position: absolute;
    top: -1rem;
    right: 1rem;
    line-height: 1;
    z-index: 0;
    transition: var(--transition-slow);
}

.feature-icon-main {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #609966 0%, #40513B 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-md);
    transition: var(--transition-bounce);
}

.feature-card-main h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.feature-card-main p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.0625rem;
    position: relative;
    z-index: 1;
}

/* How to Use Section */
.how-to-use-section {
    background: var(--background-alt);
}

.tutorial-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.tutorial-card {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    animation: fadeInUp 0.6s ease-out both;
}

.tutorial-card:nth-child(1) { animation-delay: 0.1s; }
.tutorial-card:nth-child(2) { animation-delay: 0.2s; }
.tutorial-card:nth-child(3) { animation-delay: 0.3s; }

.tutorial-card.reverse {
    grid-template-columns: auto 1fr 1fr;
}

.tutorial-card.reverse .tutorial-mockup {
    order: 3;
}

.tutorial-card.reverse .tutorial-content {
    order: 2;
}

.tutorial-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.tutorial-card:hover .tutorial-number {
    color: var(--primary);
    transform: scale(1.1);
}

.tutorial-mockup {
    display: flex;
    justify-content: center;
}

.tutorial-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.tutorial-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.tutorial-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tutorial-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.tutorial-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* Install Section */
.install-section {
    background: var(--background-alt);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.install-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out both;
}

.install-card:nth-child(1) { animation-delay: 0.1s; }
.install-card:nth-child(2) { animation-delay: 0.2s; }

.install-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.install-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
    transition: var(--transition-bounce);
}

.install-card:hover .install-icon {
    transform: scale(1.1) rotate(-5deg);
    background: var(--primary-light);
    color: var(--primary);
}

.install-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.install-steps {
    list-style: none;
    counter-reset: step;
}

.install-steps li {
    counter-increment: step;
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

.install-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.install-steps strong {
    color: var(--text-primary);
}

.install-benefits {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.install-benefits h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

.benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.benefit svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #9DC08B 0%, #609966 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    border-radius: var(--radius-md);
}

.footer-brand p {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    color: white;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9375rem;
    position: relative;
    display: inline-block;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: white;
    transform: translateX(4px);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-mockup {
        order: -1;
    }
    
    .tutorial-card,
    .tutorial-card.reverse {
        grid-template-columns: 1fr;
    }
    
    .tutorial-card.reverse .tutorial-mockup,
    .tutorial-card.reverse .tutorial-content {
        order: initial;
    }
    
    .tutorial-number {
        font-size: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 1024px) {
    .features-grid-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 20px rgb(0 0 0 / 0.1);
        border-bottom: 1px solid var(--border-color);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        width: 100%;
        padding: var(--spacing-sm) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: space-around;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .install-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .tutorial-content h3 {
        font-size: 1.5rem;
    }
}