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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #475569; /* Concrete 600 - body text */
    background-color: #F5F7FA; /* Concrete 100 - bg */
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(245, 247, 250, 0.95); /* Concrete 100 with transparency */
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0.5rem 0;
    border-bottom: 1px solid #CBD5E1; /* Concrete 400 - borders */
}

.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;
    max-height: 200px;
}

.nav-logo h2 {
    color: #0F172A; /* Concrete 900 - headings/dark text */
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-img {
    height: auto;
    width: auto;
    max-width: 300px;
    max-height: 80px;
    object-fit: contain;
    display: block;
}

.nav-cta .btn {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #323232; /* Dark grey background */
    color: white;
    padding-top: 200px;
    position: relative;
}

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

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    white-space: normal;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    color: white;
}

.hero-title .highlight {
    color: #ED582D; /* Orange accent to match logo */
    border-bottom: 3px solid #ED582D;
}

.highlight {
    color: #fff;
    border-bottom: 3px solid #fff;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #ED582D; /* Orange to match logo */
    color: white;
    border: none;
}

.btn-primary:hover {
    background: #D44A25; /* Darker orange on hover */
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #323232; /* Dark grey on hover to match background */
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.agents-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    max-width: 500px;
}

.agent-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
    flex: 1;
    min-width: 100px;
}

.agent-card:hover {
    transform: translateY(-5px);
}

.agent-card i {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 0.5rem;
    display: block;
}

.agent-card span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Assistants Section */
.agents {
    padding: 5rem 0;
    background: #EEF1F5; /* Concrete 200 - cards background */
}

.agents h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #0F172A; /* Concrete 900 - headings */
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.agent-item {
    background: #F5F7FA; /* Concrete 100 - bg */
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    border: 1px solid #CBD5E1; /* Concrete 400 - borders */
}

.agent-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.agent-icon {
    width: 60px;
    height: 60px;
    background: #ED582D; /* Orange to match logo */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.agent-icon i {
    font-size: 1.5rem;
    color: white;
}

.agent-item h3 {
    margin-bottom: 1rem;
    color: #0F172A; /* Concrete 900 - headings */
    font-size: 1.25rem;
}

.agent-item p {
    color: #475569; /* Concrete 600 - body text */
    line-height: 1.6;
    margin-bottom: 1rem;
}

.agent-example {
    background: #EEF1F5; /* Concrete 200 */
    padding: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid #ED582D; /* Orange accent to match logo */
    font-size: 0.9rem;
    color: #475569; /* Concrete 600 */
}

/* Personas Section */
.personas-section {
    margin: 1.5rem 0;
}

.personas-section h4 {
    color: #0F172A; /* Concrete 900 - headings */
    font-size: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.persona-examples {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.persona {
    background: #F5F7FA; /* Concrete 100 - bg */
    padding: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid #ED582D; /* Orange accent */
    font-size: 0.85rem;
    color: #475569; /* Concrete 600 */
}

.persona strong {
    color: #0F172A; /* Concrete 900 - headings */
    font-weight: 600;
}


/* Demo Section */
.demo {
    padding: 5rem 0;
    background: #F5F7FA; /* Concrete 100 - bg */
}

.demo h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #0F172A; /* Concrete 900 - headings */
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.demo-step {
    background: #EEF1F5; /* Concrete 200 - cards */
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    border: 1px solid #CBD5E1; /* Concrete 400 - borders */
}

.demo-step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: #ED582D; /* Orange to match logo */
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.demo-step h3 {
    margin-bottom: 1rem;
    color: #0F172A; /* Concrete 900 - headings */
    font-size: 1.25rem;
}

.demo-step p {
    color: #475569; /* Concrete 600 - body text */
    line-height: 1.6;
}

/* Demo Video */
.demo-video-container {
    max-width: 600px;
    margin: 0 auto 4rem auto;
    text-align: center;
}

.demo-video {
    width: 100%;
    max-width: 100%;
    height: 400px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid #CBD5E1; /* Concrete 400 - borders */
}

/* Sylvan Introduction */
.sylvan-intro {
    margin-bottom: 3rem;
}

/* Case Study Metrics */
.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.metric-item {
    background: #F5F7FA; /* Concrete 100 - bg */
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #CBD5E1; /* Concrete 400 - borders */
    transition: transform 0.3s ease;
}

.metric-item.primary-metric {
    border: 2px solid #ED582D; /* Orange accent border */
    background: #FEF7F0; /* Light orange background */
}

.metric-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.metric-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ED582D; /* Orange accent */
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    color: #0F172A; /* Concrete 900 */
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.metric-description {
    font-size: 0.85rem;
    color: #475569; /* Concrete 600 */
    line-height: 1.4;
}

.additional-impact {
    margin-bottom: 2rem;
}

/* Testimonials */
.testimonials-section {
    margin: 4rem 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial {
    background: #F5F7FA; /* Concrete 100 - bg */
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #CBD5E1; /* Concrete 400 - borders */
    transition: transform 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-quote {
    font-size: 1.1rem;
    font-style: italic;
    color: #0F172A; /* Concrete 900 */
    margin-bottom: 1rem;
    line-height: 1.5;
}

.testimonial-author {
    font-size: 0.9rem;
    color: #ED582D; /* Orange accent */
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: #EEF1F5; /* Concrete 200 - cards background */
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #0F172A; /* Concrete 900 - headings */
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #CBD5E1; /* Concrete 400 - borders */
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: #F5F7FA; /* Concrete 100 - bg */
    color: #475569; /* Concrete 600 - body text */
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ED582D; /* Orange accent to match logo */
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    background: #ED582D; /* Orange to match logo */
    color: white;
}

.contact-form .btn:hover {
    background: #D44A25; /* Darker orange on hover */
}

/* Footer */
.footer {
    background: #323232; /* Dark grey to match hero background */
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .agents-showcase {
        grid-template-columns: 1fr 1fr;
        max-width: 250px;
    }

    .agents-grid {
        grid-template-columns: 1fr;
    }

    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-video-container {
        margin: 0 auto 3rem auto;
    }
    
    .case-study-metrics {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .metric-item {
        padding: 1.5rem;
    }
    
    .metric-number {
        font-size: 1.8rem;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact h2,
    .demo h2,
    .agents h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .contact h2,
    .demo h2,
    .agents h2 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 15px;
    }

    .agents-showcase {
        grid-template-columns: 1fr;
        max-width: 200px;
    }
}

/* Video Carousel Styles */
.video-carousel-container {
    margin: 3rem 0;
    padding: 0 20px;
}

.video-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.video-carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.video-carousel-item {
    min-width: 100%;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-carousel-item iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

.carousel-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    pointer-events: none;
}

.carousel-btn {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    padding: 12px 16px;
    cursor: pointer;
    font-size: 1.2rem;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
    z-index: 10;
}

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.prev-btn {
    margin-left: 20px;
}

.next-btn {
    margin-right: 20px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 10px;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #CBD5E1;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.dot.active {
    background-color: #ED582D;
}

.dot:hover {
    background-color: #94A3B8;
}

/* Responsive adjustments for carousel */
@media (max-width: 768px) {
    .video-carousel-container {
        margin: 2rem 0;
        padding: 0 10px;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .prev-btn {
        margin-left: 10px;
    }
    
    .next-btn {
        margin-right: 10px;
    }
    
    .dot {
        height: 10px;
        width: 10px;
    }
}

/* Update metrics grid for 4 items with proper centering */
.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem auto;
    max-width: 1000px;
    justify-items: center;
}

.persona-badge {
    background: linear-gradient(135deg, #ED582D, #D44A25);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(237, 88, 45, 0.3);
}

.metric-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #F1F5F9;
    transition: all 0.3s ease;
    max-width: 300px;
    width: 100%;
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: #ED582D;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ED582D;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.metric-unit {
    font-size: 1.2rem;
    font-weight: 400;
    color: #64748B;
    margin-left: 0.2rem;
}

.metric-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0F172A;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.metric-description {
    font-size: 0.95rem;
    color: #64748B;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .case-study-metrics {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
    }
    
    .metric-item {
        max-width: 100%;
    }
    
    .metric-number {
        font-size: 2rem;
    }
}

/* Testimonials Section */
.testimonials-section {
    margin: 4rem 0;
    padding: 0 20px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #F1F5F9;
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: #ED582D;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: #ED582D;
    font-weight: bold;
    line-height: 1;
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: #475569;
    font-style: italic;
    margin: 0;
}

.testimonial-author {
    border-top: 1px solid #E2E8F0;
    padding-top: 1rem;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0F172A;
    margin: 0 0 0.25rem 0;
}

.author-info p {
    font-size: 0.9rem;
    color: #64748B;
    margin: 0;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .testimonial-card::before {
        font-size: 3rem;
        top: -5px;
        left: 15px;
    }
}