* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1a1a2e;
    color: #eee;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.8em;
    font-weight: bold;
    color: #00adb5;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: #eee;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: #00adb5;
}

.nav-auth {
    display: flex;
    gap: 15px;
}

@media (max-width: 968px) {
    .nav-auth {
        display: none;
    }
}

.btn-login {
    padding: 10px 25px;
    background: transparent;
    border: 2px solid #00adb5;
    color: #00adb5;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-weight: 600;
}

.btn-login:hover {
    background: #00adb5;
    color: white;
}

.btn-register {
    padding: 10px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-weight: 600;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.8em;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo img {
    height: 80px;
    width: auto;
}

.logo span {
    font-size: 4em;
    font-weight: bold;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.4em;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
}

.cta-button {
    background: white;
    color: #667eea;
    padding: 22px 55px;
    font-size: 1.4em;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.price-tag {
    margin-top: 30px;
    font-size: 1.2em;
    background: rgba(255, 255, 255, 0.2);
    padding: 18px 35px;
    border-radius: 30px;
    display: inline-block;
}

.price-tag .strike {
    text-decoration: line-through;
    opacity: 0.7;
    margin-right: 10px;
}

.price-tag .highlight {
    color: #ffd700;
    font-weight: bold;
    font-size: 1.3em;
}

.trust-badges {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1em;
    opacity: 0.9;
}

/* Social Proof Section */
.social-proof {
    padding: 80px 20px;
    background: #16213e;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 3.5em;
    font-weight: bold;
    color: #00adb5;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1em;
    opacity: 0.8;
}

/* Problem-Solution Section */
.problem-solution {
    padding: 100px 20px;
    background: #1a1a2e;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.8em;
    margin-bottom: 20px;
    color: #00adb5;
}

.section-subtitle {
    text-align: center;
    font-size: 1.3em;
    margin-bottom: 60px;
    opacity: 0.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.problem-box,
.solution-box {
    padding: 50px;
    border-radius: 20px;
}

.problem-box {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.solution-box {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.problem-box h3,
.solution-box h3 {
    font-size: 2em;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.problem-box ul,
.solution-box ul {
    list-style: none;
    font-size: 1.15em;
    line-height: 2;
}

.problem-box ul li::before {
    content: '✗';
    margin-right: 15px;
    font-weight: bold;
}

.solution-box ul li::before {
    content: '✓';
    margin-right: 15px;
    font-weight: bold;
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: #16213e;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.feature-card {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: #00adb5;
    box-shadow: 0 15px 40px rgba(0, 173, 181, 0.3);
}

.feature-icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.6em;
    margin-bottom: 15px;
    color: #00adb5;
}

.feature-card p {
    line-height: 1.7;
    opacity: 0.9;
    font-size: 1.05em;
}

.feature-card ul {
    list-style: none;
    margin-top: 20px;
}

.feature-card ul li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
}

.feature-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2ecc71;
    font-weight: bold;
    font-size: 1.2em;
}

/* Roles Section */
.roles {
    padding: 100px 20px;
    background: #1a1a2e;
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.role-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.role-card h3 {
    font-size: 2.2em;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.role-card ul {
    list-style: none;
}

.role-card ul li {
    padding: 14px 0;
    padding-left: 35px;
    position: relative;
    font-size: 1.15em;
    line-height: 1.5;
}

.role-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: white;
    font-weight: bold;
    font-size: 1.3em;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 20px;
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: rgba(0, 173, 181, 0.1);
    padding: 40px;
    border-radius: 20px;
    border-left: 4px solid #00adb5;
}

.testimonial-text {
    font-size: 1.15em;
    line-height: 1.7;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
}

.author-info h4 {
    color: #00adb5;
    margin-bottom: 5px;
}

.author-info p {
    opacity: 0.7;
    font-size: 0.9em;
}

/* Benefits Section */
.benefits {
    padding: 100px 20px;
    background: #16213e;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 173, 181, 0.1);
    border-radius: 15px;
    transition: all 0.3s;
}

.benefit-item:hover {
    background: rgba(0, 173, 181, 0.2);
    transform: scale(1.05);
}

.benefit-item .icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: #00adb5;
}

.benefit-item p {
    font-size: 1.05em;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 100px 20px;
    background: #1a1a2e;
    text-align: center;
}

.pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px;
    border-radius: 25px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.pricing-card .price {
    font-size: 4.5em;
    font-weight: bold;
    margin: 20px 0;
}

.pricing-card .period {
    font-size: 1.3em;
    opacity: 0.9;
    margin-bottom: 30px;
}

.pricing-card .trial {
    background: rgba(255, 215, 0, 0.3);
    padding: 18px 35px;
    border-radius: 20px;
    font-size: 1.4em;
    margin-bottom: 30px;
    display: inline-block;
}

.pricing-card .trial .highlight {
    color: #ffd700;
    font-weight: bold;
}

.pricing-features {
    text-align: left;
    max-width: 400px;
    margin: 30px auto;
}

.pricing-features li {
    padding: 12px 0;
    position: relative;
    padding-left: 35px;
    font-size: 1.15em;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
    font-size: 1.4em;
}

/* FAQ Section */
.faq {
    padding: 100px 20px;
    background: #16213e;
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(0, 173, 181, 0.1);
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 15px;
    border-left: 4px solid #00adb5;
}

.faq-item h3 {
    color: #00adb5;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.faq-item p {
    line-height: 1.7;
    opacity: 0.9;
    font-size: 1.05em;
}

/* CTA Section */
.cta-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 3em;
    margin-bottom: 25px;
}

.cta-section p {
    font-size: 1.4em;
    margin-bottom: 50px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .cta-button {
    font-size: 1.5em;
    padding: 25px 60px;
}

/* Footer */
footer {
    padding: 60px 20px 30px;
    background: #0f0f1e;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #00adb5;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.footer-section p,
.footer-section a {
    color: #aaa;
    line-height: 2;
    text-decoration: none;
    display: block;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #00adb5;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #888;
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(0, 173, 181, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    transition: all 0.3s;
}

.social-links a:hover {
    background: #00adb5;
    transform: translateY(-3px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(10px);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav.active {
    display: block;
    opacity: 1;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: 30px;
    padding: 80px 20px 40px;
    overflow-y: auto;
}

.mobile-nav a {
    color: white;
    text-decoration: none;
    font-size: 1.8em;
    font-weight: 600;
    transition: color 0.3s;
}

.mobile-nav a:hover {
    color: #00adb5;
}

.mobile-nav .close-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 3em;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    line-height: 1;
    transition: all 0.3s;
    font-family: Arial, sans-serif;
}

.mobile-nav .close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(90deg);
    border-color: white;
}

.mobile-nav .close-btn:active {
    transform: scale(0.9);
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5em;
    }

    .hero p {
        font-size: 1.2em;
    }

    .logo {
        font-size: 3em;
    }

    .logo img {
        height: 60px;
    }

    .logo span {
        font-size: 3em;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav {
        padding: 15px 0;
    }

    .nav-logo {
        font-size: 1.4em;
    }

    .nav-auth {
        display: none;
    }

    .mobile-nav .close-btn {
        top: 15px;
        right: 15px;
        font-size: 2.5em;
        width: 45px;
        height: 45px;
    }

    .mobile-nav a {
        font-size: 1.5em;
    }

    .hero {
        padding: 120px 20px 40px;
    }

    .hero h1 {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .hero p {
        font-size: 1.05em;
        margin-bottom: 30px;
    }

    .nav-logo img {
        height: 35px;
    }

    .logo {
        font-size: 2.5em;
        margin-bottom: 15px;
    }

    .logo img {
        height: 50px;
    }

    .logo span {
        font-size: 2.5em;
    }

    .cta-button {
        padding: 18px 40px;
        font-size: 1.2em;
    }

    .price-tag {
        font-size: 1em;
        padding: 15px 25px;
    }

    .trust-badges {
        flex-direction: column;
        gap: 15px;
        margin-top: 30px;
    }

    .trust-badge {
        font-size: 1em;
    }

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

    .section-subtitle {
        font-size: 1.1em;
        margin-bottom: 40px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-number {
        font-size: 2.5em;
    }

    .stat-label {
        font-size: 0.95em;
    }

    .features-grid,
    .roles-grid,
    .problem-grid,
    .testimonials-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .role-card,
    .problem-box,
    .solution-box,
    .testimonial-card {
        padding: 30px;
    }

    .feature-icon {
        font-size: 2.8em;
    }

    .feature-card h3,
    .role-card h3 {
        font-size: 1.4em;
    }

    .feature-card p,
    .role-card ul li {
        font-size: 1em;
    }

    .pricing-card {
        padding: 40px 25px;
    }

    .pricing-card .price {
        font-size: 3.5em;
    }

    .pricing-card .trial {
        font-size: 1.1em;
        padding: 12px 20px;
    }

    .pricing-features li {
        font-size: 1em;
        padding-left: 30px;
    }

    .cta-section h2 {
        font-size: 2em;
    }

    .cta-section p {
        font-size: 1.1em;
    }

    .cta-section .cta-button {
        font-size: 1.3em;
        padding: 20px 45px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-section {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .faq-item {
        padding: 25px 20px;
    }

    .faq-item h3 {
        font-size: 1.1em;
    }

    .faq-item p {
        font-size: 0.95em;
    }
}

@media (max-width: 480px) {
    .nav-auth {
        display: none;
    }

    .mobile-nav .close-btn {
        top: 10px;
        right: 10px;
        font-size: 2.2em;
        width: 40px;
        height: 40px;
    }

    .mobile-nav a {
        font-size: 1.3em;
    }

    .mobile-nav {
        gap: 25px;
    }

    .hero h1 {
        font-size: 1.6em;
    }

    .hero p {
        font-size: 0.95em;
    }

    .logo {
        font-size: 2em;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 1em;
        width: 100%;
        max-width: 300px;
    }

    .price-tag {
        font-size: 0.85em;
        padding: 12px 20px;
    }

    .price-tag .highlight {
        font-size: 1.1em;
    }

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

    .section-title {
        font-size: 1.7em;
    }

    .section-subtitle {
        font-size: 1em;
    }

    .stat-number {
        font-size: 2.2em;
    }

    .problem-box h3,
    .solution-box h3 {
        font-size: 1.5em;
    }

    .feature-card,
    .role-card,
    .testimonial-card,
    .problem-box,
    .solution-box {
        padding: 25px 20px;
    }

    .feature-icon {
        font-size: 2.5em;
    }

    .benefit-item .icon {
        font-size: 2.8em;
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .pricing-card .price {
        font-size: 3em;
    }

    .pricing-card .period {
        font-size: 1.1em;
    }

    .cta-section h2 {
        font-size: 1.7em;
    }

    .cta-section p {
        font-size: 1em;
    }

    .cta-section .cta-button {
        font-size: 1.1em;
        padding: 18px 35px;
    }

    .footer-bottom p {
        font-size: 0.85em;
    }
}

/* Landscape phones */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 140px 20px 60px;
    }

    .logo {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .hero h1 {
        font-size: 1.8em;
    }

    .trust-badges {
        flex-direction: row;
        gap: 20px;
    }
}

/* Small tablets */
@media (min-width: 481px) and (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large tablets and small laptops */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
}