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

:root {
    --primary-color: #FF5733;
    --secondary-color: #2563EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --dark: #1F2937;
    --light: #F9FAFB;
    --white: #FFFFFF;
    --gray: #6B7280;
    --gradient-1: linear-gradient(135deg, #FF5733 0%, #FF8A5B 100%);
    --gradient-2: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.demo-btn {
    background: var(--gradient-1);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #FFF5F2 0%, #E0F2FE 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 87, 51, 0.1) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: #1F2937;
    border-radius: 40px;
    padding: 15px;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 30px;
    overflow: hidden;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: var(--white);
}

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

/* Screenshots Gallery Section */
.screenshots-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #FFF5F2 0%, #E0F2FE 100%);
    overflow: hidden;
}

.screenshots-carousel {
    display: flex;
    gap: 3rem;
    overflow-x: auto;
    padding: 2rem 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) transparent;
}

.screenshots-carousel::-webkit-scrollbar {
    height: 8px;
}

.screenshots-carousel::-webkit-scrollbar-track {
    background: transparent;
}

.screenshots-carousel::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.screenshot-item {
    min-width: 350px;
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.screenshot-phone {
    position: relative;
    width: 280px;
    height: 560px;
    background: #1F2937;
    border-radius: 35px;
    padding: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.screenshot-phone:hover {
    transform: scale(1.05) translateY(-10px);
}

.screenshot-phone::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 20px;
    background: #1F2937;
    border-radius: 0 0 15px 15px;
    z-index: 2;
}

.screenshot-phone img {
    width: 100%;
    height: 100%;
    border-radius: 25px;
    object-fit: cover;
}

.screenshot-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.screenshot-info p {
    color: var(--gray);
    max-width: 280px;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: var(--white);
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

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

.feature-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list i {
    color: var(--success-color);
    font-size: 0.9rem;
}

/* Roles Section */
.roles-section {
    padding: 6rem 0;
    background: var(--light);
}

.roles-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.role-tab {
    background: var(--white);
    border: 2px solid transparent;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.role-tab i {
    font-size: 1.2rem;
}

.role-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.role-tab.active {
    background: var(--gradient-1);
    color: var(--white);
    border-color: var(--primary-color);
}

.role-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.role-content.active {
    display: block;
}

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

.role-features h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.role-feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.role-feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.role-feature-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
}

.role-feature-item h4 {
    margin-bottom: 0.5rem;
}

.role-feature-item p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Floating Cards */
.role-image {
    position: relative;
    height: 400px;
}

.role-screenshot-showcase {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 440px;
    background: #1F2937;
    border-radius: 30px;
    padding: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.role-screenshot-main {
    width: 100%;
    height: 100%;
    border-radius: 22px;
    object-fit: cover;
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: floatCard 3s ease-in-out infinite;
    z-index: 2;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 2s;
}

/* Tech Section */
.tech-section {
    padding: 6rem 0;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tech-card {
    text-align: center;
    padding: 2rem;
    background: var(--light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

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

.tech-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.tech-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

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

.stat-box {
    background: var(--gradient-1);
    padding: 2rem;
    border-radius: 16px;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon i {
    font-size: 2.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.stat-text {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: var(--light);
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.comparison-card.kcs {
    position: relative;
    border: 3px solid var(--primary-color);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-1);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.comparison-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.price span {
    font-size: 1rem;
    color: var(--gray);
}

.comparison-list {
    list-style: none;
    margin-bottom: 2rem;
}

.comparison-list li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.comparison-list i {
    font-size: 1.2rem;
}

.traditional .comparison-list i {
    color: var(--error-color);
}

.kcs .comparison-list i {
    color: var(--success-color);
}

/* Testimonials */
.testimonials-section {
    padding: 6rem 0;
    background: var(--white);
}

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

.testimonial-card {
    background: var(--light);
    padding: 2.5rem;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.quote-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-text {
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--gray);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.author-info h4 {
    margin-bottom: 0.25rem;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--gray);
}

.rating i {
    color: #F59E0B;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--dark);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
}

.cta-feature i {
    color: var(--success-color);
}

/* Footer */
.footer {
    background: #111827;
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-col p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-col h4 {
    margin-bottom: 1.5rem;
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--white);
    opacity: 0.8;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-col ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    text-decoration: none;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 3rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    position: relative;
    animation: slideUp 0.3s ease;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--gray);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--primary-color);
}

.modal-content h2 {
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--gray);
    margin-bottom: 2rem;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-block {
    width: 100%;
}

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

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

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

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

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .phone-mockup {
        margin: 0 auto;
    }

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

    .role-image {
        display: none;
    }

    .role-screenshot-showcase {
        display: block;
        position: relative;
        width: 100%;
        max-width: 280px;
        height: auto;
        margin: 2rem auto;
        transform: none;
        top: auto;
        left: auto;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .roles-tabs {
        flex-direction: column;
    }
}