/* CSS Variables */
:root {
    --color-primary: #FFEB3B;        /* Bright yellow/lime */
    --color-primary-dark: #FFC107;   /* Darker yellow */
    --color-primary-light: #FFF9C4;  /* Light yellow */
    --color-dark: #1a1a1a;           /* Dark grey */
    --color-dark-light: #2d2d2d;     /* Lighter dark grey */
    --color-text: #333333;           /* Dark text */
    --color-text-light: #757575;     /* Light grey text */
    --color-bg: #FFFFFF;             /* White */
    --color-bg-light: #F5F5F5;       /* Light grey bg */
    
    --spacing-section: 120px;        /* Section spacing */
    --spacing-content: 80px;         /* Content spacing */
    --container-width: 1200px;       /* Max container width */
    
    --font-heading: 'Inter', 'Helvetica Neue', sans-serif;
    --font-body: 'Inter', 'Helvetica Neue', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background-color: var(--color-dark);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 235, 59, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    background-color: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-dark {
    background-color: var(--color-dark);
    color: #FFFFFF;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.btn-dark:hover {
    background-color: var(--color-dark-light);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.hero-split {
    display: flex;
    height: 100%;
    position: relative;
}

.hero-left {
    flex: 1;
    background-color: var(--color-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.hero-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.hero-logo {
    max-width: 400px;
    width: 100%;
    height: auto;
}

.hero-divider {
    width: 12px;
    background-color: var(--color-text);
    flex-shrink: 0;
}

.hero-right {
    flex: 1;
    background-color: #f0fe86;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 60px;
}

.hero-description-container {
    width: 100%;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-dark);
    opacity: 0.9;
    margin-bottom: 32px;
}

.hero-copyright {
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-dark);
    opacity: 0.6;
    margin-top: 32px;
    margin-bottom: 0;
    width: 100%;
}

.portfolio-logos {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(51, 51, 51, 0.15);
    width: 100%;
    flex-wrap: wrap;
    margin-bottom: 0;
}

.portfolio-logo-wrapper {
    flex: 0 0 calc(33.333% - 8px);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80px;
}

.portfolio-logo {
    max-width: 150px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 1;
    transition: opacity 0.3s ease;
    display: block;
}

.portfolio-logo:hover {
    opacity: 0.8;
}

/* Client Logos Strip */
.client-logos {
    background-color: var(--color-primary-light);
    padding: 40px 0;
}

.logos-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.logo-item {
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 14px;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Styles */
.section-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.section-headline {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 600px;
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-dark);
}

.feature-text h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.feature-text p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.6;
}

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

.visual-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.chart-graphic {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    gap: 12px;
    height: 200px;
    margin-bottom: 20px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 4px 4px 0 0;
    min-height: 40px;
}

.chart-value {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 48px;
    font-weight: 700;
    color: var(--color-dark);
}

/* System Section */
.system-section {
    padding: 60px 0;
}

.system-content {
    display: flex;
    align-items: center;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.system-icon {
    width: 80px;
    height: 80px;
    background-color: var(--color-bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    flex-shrink: 0;
}

.system-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.system-text p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Expert Section */
.expert-section {
    background-color: var(--color-primary);
    padding: var(--spacing-section) 0;
}

.expert-section .section-headline {
    color: var(--color-dark);
}

.expert-section .section-description {
    color: var(--color-dark);
    opacity: 0.8;
}

.rating {
    margin-top: 32px;
}

.stars {
    font-size: 24px;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.rating-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    background-color: var(--color-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

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

.support-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.support-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.support-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    flex-shrink: 0;
}

.support-feature h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.support-feature p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.support-graphics {
    position: relative;
    height: 400px;
}

.phone-mockup {
    width: 200px;
    height: 350px;
    background-color: var(--color-dark);
    border-radius: 24px;
    padding: 12px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 20px;
}

.screen-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mini-chart {
    width: 100%;
    height: 60px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 4px;
}

.wave-graphic {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        var(--color-primary) 10px,
        var(--color-primary) 20px
    );
    opacity: 0.2;
    border-radius: 8px;
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--spacing-section) 0;
    background-color: var(--color-bg-light);
}

.testimonials-section .section-headline {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.testimonial-card {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
}

.testimonial-rating {
    color: var(--color-primary);
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-quote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.author-name {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.author-title {
    font-size: 14px;
    color: var(--color-text-light);
}

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

.faq-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.faq-cta {
    background-color: var(--color-primary);
    padding: 48px;
    border-radius: 16px;
    height: fit-content;
}

.faq-cta h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.faq-cta p {
    font-size: 16px;
    color: var(--color-dark);
    opacity: 0.8;
    margin-bottom: 32px;
    line-height: 1.6;
}

.faq-headline {
    font-size: 72px;
    font-weight: 800;
    color: var(--color-bg-light);
    line-height: 1;
    margin-bottom: 40px;
    letter-spacing: -0.03em;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border-bottom: 1px solid #E0E0E0;
    padding-bottom: 16px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 16px 0;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
}

.faq-icon {
    color: var(--color-text-light);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 8px;
}

.faq-answer p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
    background-color: var(--color-dark);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Footer */
.footer {
    background-color: #FFFFFF;
    padding: 80px 0 32px;
    border-top: 1px solid #E0E0E0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: var(--color-text-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid #E0E0E0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-split {
        flex-direction: column;
    }
    
    .hero-left,
    .hero-right {
        flex: 1;
        padding: 40px;
    }
    
    .hero-divider {
        width: 100%;
        height: 12px;
    }
    
    .hero-logo {
        max-width: 300px;
    }
    
    .hero-headline {
        font-size: 26px;
    }
    
    .portfolio-logo-wrapper {
        flex: 0 0 calc(33.333% - 8px);
    }
    
    .portfolio-logos {
        gap: 12px;
        margin-top: 20px;
        padding-bottom: 24px;
    }
    
    .portfolio-logo {
        max-width: 130px;
        max-height: 70px;
    }
}

@media (max-width: 768px) {
    .hero-left,
    .hero-right {
        padding: 32px 24px;
    }
    
    .hero-logo {
        max-width: 250px;
    }
    
    .hero-headline {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .portfolio-logo-wrapper {
        flex: 0 0 calc(50% - 6px);
    }
    
    .portfolio-logos {
        gap: 12px;
        margin-top: 24px;
        padding-bottom: 20px;
        justify-content: flex-start;
    }
    
    .portfolio-logo {
        max-width: 100px;
        max-height: 55px;
    }
}