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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #0a0a0a;
    background-color: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    height: 70px;
    transition: transform 0.3s ease;
    z-index: 1001;
}

.logo:hover {
    transform: scale(1.05);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    gap: 5px;
    z-index: 1002;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: #0a0a0a;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #0a0a0a;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
    font-size: 15px;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0a0a0a;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: #0a0a0a;
}

.cta-button {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #0a0a0a;
    padding: 14px 28px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 12px;
    display: inline-block;
    font-size: 15px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.cta-button:hover {
    background: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.cta-button::before {
    display: none;
}

.cta-button::after {
    display: none;
}

.hero {
    background: #ffffff;
    color: #0a0a0a;
    padding: 160px 0 120px;
    text-align: center;
    position: relative;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 24px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #0a0a0a;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(0, 0, 0, 0.6);
    line-height: 1.7;
    font-weight: 400;
}

.hero .cta-button {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #0a0a0a;
    font-size: 16px;
    padding: 14px 32px;
}

.hero .cta-button:hover {
    background: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
}

.features {
    padding: 120px 0;
    background-color: #ffffff;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 64px;
    color: #0a0a0a;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 40px 32px;
    text-align: center;
    transition: all 0.2s ease;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    font-weight: 600;
    color: #0a0a0a;
    line-height: 1.3;
}

.feature-card p {
    color: rgba(0, 0, 0, 0.6);
    line-height: 1.7;
    font-size: 1rem;
}

.roadmap {
    padding: 120px 0;
    background: #ffffff;
    color: #0a0a0a;
    position: relative;
}

.roadmap h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 64px;
    color: #0a0a0a;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(0, 0, 0, 0.12);
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    padding-left: 60px;
    animation: slideInRight 0.6s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 12px;
    width: 14px;
    height: 14px;
    background: #0a0a0a;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.timeline-item:hover::before {
    transform: scale(1.2);
}

.timeline-item h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    font-weight: 600;
    line-height: 1.4;
    color: #0a0a0a;
}

.timeline-item p {
    color: rgba(0, 0, 0, 0.6);
    line-height: 1.7;
    font-size: 1rem;
}

.demo {
    padding: 120px 0;
    background-color: #ffffff;
    text-align: center;
}

.demo h2 {
    font-size: 2.5rem;
    margin-bottom: 48px;
    color: #0a0a0a;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.demo-mockup {
    max-width: 320px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 48px 24px;
    color: #0a0a0a;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    position: relative;
}

.demo-mockup:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.demo-mockup h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 600;
    color: #0a0a0a;
}

.demo-mockup p {
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.demo-button {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: #0a0a0a;
    padding: 14px 28px;
    font-size: 15px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.demo-button:hover:not(:disabled) {
    background: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.demo-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.faq {
    padding: 120px 0;
    background: #ffffff;
    color: #0a0a0a;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 64px;
    color: #0a0a0a;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.faq-item {
    max-width: 700px;
    margin: 0 auto 16px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.faq-question {
    background-color: transparent;
    border: none;
    width: 100%;
    padding: 24px;
    text-align: left;
    font-size: 1.1rem;
    color: #0a0a0a;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.2s ease;
    color: rgba(0, 0, 0, 0.4);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-question:hover {
    background: rgba(0, 0, 0, 0.02);
}

.faq-answer {
    display: none;
    padding: 0 24px 24px;
    color: rgba(0, 0, 0, 0.6);
    line-height: 1.7;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item.active .faq-answer {
    display: block;
}

footer {
    background: #ffffff;
    color: #0a0a0a;
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    position: relative;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    height: 130px;
    filter: none;
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(0, 0, 0, 0.6);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0a0a0a;
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #0a0a0a;
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-contacts {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(0, 0, 0, 0.6);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.footer-contact .contact-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.footer-contact:hover {
    color: #0a0a0a;
}

.footer-contact:hover .contact-icon {
    transform: scale(1.1);
}

.footer-text {
    color: rgba(0, 0, 0, 0.5);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 600px;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.gear-icon {
    display: inline-block;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .features,
    .roadmap,
    .demo,
    .faq {
        padding: 80px 0;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 28px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        gap: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background-color: #ffffff;
        border-left: 1px solid rgba(0, 0, 0, 0.08);
        transition: right 0.3s ease;
        z-index: 1001;
        padding-top: 100px;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
    }

    .nav-menu.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        align-items: flex-start;
        padding: 0 30px;
    }

    nav ul li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }

    nav ul li:last-child {
        border-bottom: none;
        margin-top: 20px;
    }

    nav a {
        display: block;
        padding: 20px 0;
        font-size: 1.1rem;
    }

    nav a::after {
        display: none;
    }

    .logo {
        height: 50px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 36px;
    }

    .hero .cta-button {
        padding: 12px 28px;
        font-size: 1rem;
    }

    .features h2,
    .roadmap h2,
    .demo h2,
    .faq h2 {
        font-size: 2.2rem;
        margin-bottom: 48px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .feature-icon {
        font-size: 3rem;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: -10px;
        width: 2px;
    }

    .timeline-item {
        padding-left: 40px;
        margin-bottom: 36px;
    }

    .timeline-item::before {
        left: -16px;
        width: 16px;
        height: 16px;
    }

    .demo-mockup {
        max-width: 280px;
        padding: 36px 20px;
    }

    .demo-button {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .footer-logo {
        height: 80px;
    }

    .footer-links {
        gap: 24px;
    }

    .footer-contacts {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .header-content {
        padding: 16px 0;
    }

    .logo {
        height: 40px;
    }

    .hero {
        padding: 80px 0 50px;
    }

    .hero h1 {
        font-size: 1.75rem;
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 32px;
    }

    .hero .cta-button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .features,
    .roadmap,
    .demo,
    .faq {
        padding: 60px 0;
    }

    .features h2,
    .roadmap h2,
    .demo h2,
    .faq h2 {
        font-size: 1.9rem;
        margin-bottom: 40px;
    }

    .feature-card {
        padding: 28px 20px;
    }

    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    .feature-card h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }

    .feature-card p {
        font-size: 0.95rem;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-item {
        padding-left: 36px;
        margin-bottom: 32px;
    }

    .timeline-item h3 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }

    .timeline-item p {
        font-size: 0.95rem;
    }

    .demo-mockup {
        max-width: 240px;
        padding: 32px 16px;
        border-radius: 20px;
    }

    .demo-mockup h3 {
        font-size: 1.3rem;
    }

    .demo-mockup p {
        font-size: 0.9rem;
    }

    .demo-button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .faq-question {
        padding: 20px 16px;
        font-size: 1.1rem;
    }

    .faq-answer {
        padding: 0 16px 20px;
        font-size: 0.95rem;
    }

    footer {
        padding: 40px 0;
    }

    .footer-content {
        gap: 20px;
    }

    .footer-logo {
        height: 60px;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }

    .footer-contacts {
        flex-direction: column;
        gap: 16px;
    }

    .footer-text {
        font-size: 0.85rem;
        padding: 0 16px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .feature-card:hover {
        transform: none;
        background: #ffffff;
    }

    .cta-button:hover {
        background: #ffffff;
        color: #0a0a0a;
        border-color: rgba(0, 0, 0, 0.12);
    }
}

@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        padding: 100px 0 60px;
    }

    .nav-menu {
        padding-top: 80px;
    }
}