/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ===== CSS VARIABLES (NEURAL ARC BRAND COLORS) ===== */
:root {
    /* Primary Brand Colors from Neural Arc Guidelines */
    --primary-green: #2D5A27;
    --primary-orange: #FF6B35;
    --accent-light-green: #A8D5A3;
    --accent-cream: #F5F5DC;
    
    /* Extended Color Palette */
    --dark-green: #1a3d16;
    --light-orange: #ff8c5a;
    --very-light-green: #e8f5e6;
    --warm-white: #fefefe;
    --soft-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Manrope', 'Inter', sans-serif;
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-green);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--medium-gray);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange), var(--light-orange));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--light-orange), var(--primary-orange));
}

.btn-secondary {
    background: var(--warm-white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(45, 90, 39, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-green);
}

.logo-img {
    width: 40px;
    height: 40px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--dark-green);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-green);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--very-light-green) 0%, var(--warm-white) 50%, var(--accent-cream) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(45, 90, 39, 0.1);
    color: var(--primary-green);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(45, 90, 39, 0.2);
}

.hero-title {
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-highlight {
    background: linear-gradient(135deg, var(--primary-orange), var(--light-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-orange);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 600px;
    animation: slideInRight 1s ease-out;
}

.hero-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(45, 90, 39, 0.1);
    transition: transform var(--transition-normal);
}

.hero-card:hover {
    transform: translateY(-8px);
}

.hero-card-1 {
    top: 0;
    left: 0;
    width: 280px;
    background: linear-gradient(135deg, var(--very-light-green), white);
    animation: float 6s ease-in-out infinite;
}

.hero-card-2 {
    top: 150px;
    right: 0;
    width: 300px;
    background: linear-gradient(135deg, white, var(--accent-cream));
    animation: float 6s ease-in-out infinite 2s;
}

.hero-card-3 {
    bottom: 0;
    left: 50px;
    width: 260px;
    background: linear-gradient(135deg, var(--accent-cream), white);
    animation: float 6s ease-in-out infinite 4s;
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-weight: 600;
    color: var(--primary-green);
}

.card-header i {
    width: 24px;
    height: 24px;
    color: var(--primary-orange);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(45, 90, 39, 0.1);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-light-green));
    border-radius: var(--radius-sm);
    animation: progressFill 2s ease-out;
}

.code-snippet {
    background: var(--dark-green);
    color: var(--accent-light-green);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
}

.code-line {
    display: block;
    margin-bottom: 0.25rem;
}

.integration-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
}

.integration-item {
    background: var(--primary-orange);
    color: white;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Hero Background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(45, 90, 39, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(45, 90, 39, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

.bg-gradient {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: var(--space-3xl) 0;
    background: var(--warm-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.25rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-lg);
}

.feature-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(45, 90, 39, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--light-orange));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

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

.feature-card-large {
    grid-row: span 2;
    background: linear-gradient(135deg, var(--very-light-green), white);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-orange), var(--light-orange));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

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

.feature-title {
    margin-bottom: var(--space-md);
    color: var(--dark-green);
}

.feature-description {
    margin-bottom: var(--space-lg);
}

.feature-metrics {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-orange);
}

.metric-label {
    font-size: 0.875rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ===== CAPABILITIES SECTION ===== */
.capabilities {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: white;
    position: relative;
    overflow: hidden;
}

.capabilities::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.capabilities-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.capabilities-text .section-title,
.capabilities-text .section-description {
    color: white;
    text-align: left;
}

.capability-list {
    margin: var(--space-xl) 0;
}

.capability-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
}

.capability-item i {
    width: 24px;
    height: 24px;
    color: var(--accent-light-green);
}

.capability-demo {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.demo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.demo-dots {
    display: flex;
    gap: var(--space-xs);
}

.demo-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.demo-title {
    font-weight: 600;
    color: white;
}

.demo-step {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    opacity: 0.5;
}

.demo-step.active {
    background: rgba(255, 107, 53, 0.2);
    opacity: 1;
}

.demo-step i {
    width: 20px;
    height: 20px;
    color: var(--accent-light-green);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--soft-gray);
}

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

.testimonial-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(45, 90, 39, 0.1);
    transition: transform var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: var(--space-lg);
}

.testimonial-content p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--dark-gray);
    line-height: 1.6;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-avatar i {
    width: 24px;
    height: 24px;
    color: white;
}

.author-name {
    font-weight: 600;
    color: var(--dark-green);
}

.author-title {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

/* ===== CTA SECTION ===== */
.cta {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--accent-cream), var(--very-light-green));
    position: relative;
    overflow: hidden;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    margin-bottom: var(--space-md);
    color: var(--dark-green);
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.cta-pattern {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(45, 90, 39, 0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-green);
    color: white;
    padding: var(--space-3xl) 0 var(--space-lg) 0;
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--accent-light-green);
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-orange);
    transform: translateY(-2px);
}

.social-link i {
    width: 20px;
    height: 20px;
}

/* ===== ANIMATIONS ===== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes progressFill {
    from {
        width: 0;
    }
    to {
        width: 95%;
    }
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.2;
    }
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .hero-visual {
        height: 400px;
        margin: 0 auto;
        max-width: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .capabilities-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-container {
        padding: var(--space-xl) var(--space-md);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .hero-card {
        padding: var(--space-md);
    }
    
    .hero-card-1 {
        width: 220px;
    }
    
    .hero-card-2 {
        width: 240px;
    }
    
    .hero-card-3 {
        width: 200px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin: 0 auto;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
    }
}