* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Roboto,sans-serif
}

html,* {
    scroll-behavior: smooth
}

.flex {
    display: flex;
    align-items: center
}

ul {
    list-style: none
}

body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 100vh
}

#root {
    min-height: 100vh;
    display: flex;
    flex-direction: column
}

main {
    flex: 1 0 auto
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 30px;
    background-color: #6b6b6b;
    color: #fff;
    font-weight: 400;
    font-size: 18px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 85px
}

.header-image {
    max-width: 70px;
    border-radius: 24%;
    margin-right: 20px
}

.header-nav__list {
    display: flex;
    gap: 22px;
    padding-right: 15px
}

.header-nav__list li a {
    color: #fff;
    text-decoration: none;
    transition: opacity .3s;
    cursor: pointer
}

.header-nav__list li a:hover {
    opacity: .8
}

.burger {
    display: none;
    position: relative;
    width: 40px;
    height: 32px;
    background: transparent;
    border: 0;
    cursor: pointer
}

.burger span,.burger:before,.burger:after {
    position: absolute;
    left: 6px;
    right: 6px;
    height: 2px;
    background: #fff;
    content: "";
    transition: transform .3s,opacity .3s
}

.burger span {
    top: 15px
}

.burger:before {
    top: 7px
}

.burger:after {
    top: 23px
}

section {
    scroll-margin-top: 85px
}

#hero {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 85px);
    background: #f7f7f7
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
    flex: 1;
    padding: 30px
}

.hero-text {
    flex: 1 1 50%;
    max-width: 550px
}

.hero-text h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #222
}

.hero-text p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #555
}

.btn-download {
    display: inline-block;
    background: #ff5a5f;
    color: #fff;
    text-decoration: none;
    padding: 14px 30px;
    border-radius: 4px;
    font-weight: 600;
    transition: background .3s
}

.btn-download:hover {
    background: #e0494f
}

.hero-image {
    flex: 1 1 40%;
    max-width: 500px;
    margin-left: 40px
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 10px 20px #00000026
}

#marquee {
    overflow: hidden;
    background: #d3d3d3;
    padding: 20px 0;
    height: 120px;
    display: flex;
    align-items: center;
    flex-shrink: 0
}

.marquee-track {
    display: flex;
    gap: 120px;
    will-change: transform;
    animation: marquee var(--duration) linear infinite
}

.marquee-track img {
    flex-shrink: 0;
    height: 70px;
    opacity: .7;
    transition: opacity .3s;
    margin: 0
}

.marquee-track img:hover {
    opacity: 1
}

@keyframes marquee {
    0% {
        transform: translateZ(0)
    }

    to {
        transform: translate3d(calc(-1 * var(--track-length)),0,0)
    }
}

#features {
    padding: 60px 30px;
    background: #f7f7f7;
    border-bottom: 1px solid #ddd
}

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

.features-container h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
    color: #222
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 30px
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px #0000001a;
    text-align: center
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #222
}

.feature-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #555
}

#disclaimer {
    padding: 60px 30px;
    background: #fff;
    border-bottom: 1px solid #ddd
}

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

.disclaimer-container h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #222
}

.disclaimer-container p {
    font-size: 16px;
    line-height: 1.6;
    color: #666
}

footer {
    background: #6b6b6b;
    padding: 30px 0
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px
}

.footer-buttons {
    display: flex;
    justify-content: center;
    gap: 40px
}

.footer-btn {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 10px 20px;
    border: 1px solid #fff;
    border-radius: 4px;
    transition: all .3s
}

.footer-btn:hover {
    background: #fff;
    color: #6b6b6b
}

#reviews {
    padding: 60px 30px;
    background: #f7f7f7;
    border-bottom: 1px solid #ddd
}

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

.reviews-container h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
    color: #222
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 30px
}

.review-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px #0000001a;
    text-align: center
}

.review-rating {
    font-size: 20px;
    margin-bottom: 15px;
    color: #ffc107
}

.review-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 15px;
    font-style: italic
}

.review-author {
    font-size: 14px;
    color: #888;
    font-weight: 600
}

#cta {
    padding: 60px 30px;
    background: #fff;
    border-bottom: 1px solid #ddd;
    text-align: center
}

.cta-container {
    max-width: 800px;
    margin: 0 auto
}

.cta-container h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #222
}

.cta-container p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #555
}

.terms-container {
    max-width: 800px;
    margin: 20px auto;
    text-align: center;
    background: #fff;
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 4px 12px #0000001a
}

.terms-container h1 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #222
}

.terms-content {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    text-align: left
}

.terms-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #222
}

.privacy-container {
    max-width: 800px;
    margin: 20px auto;
    text-align: center;
    background: #fff;
    padding: 60px;
    border-radius: 8px;
    box-shadow: 0 4px 12px #0000001a
}

.privacy-container h1 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #222
}

.privacy-content {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    text-align: left
}

.privacy-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #222
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction:column;
        padding: 20px
    }

    .hero-text,.hero-image {
        max-width: 100%;
        margin: 0
    }

    .hero-image {
        margin-top: 20px
    }

    #marquee {
        height: 80px;
        padding: 10px 0
    }

    .marquee-track img {
        height: 60px
    }

    #features {
        padding: 40px 20px
    }

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

    #disclaimer,#reviews {
        padding: 40px 20px
    }

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

    .footer-container {
        padding: 0 20px
    }

    .footer-buttons {
        flex-direction: column;
        align-items: center;
        gap: 20px
    }

    #cta {
        padding: 40px 20px
    }

    .header-image {
        display: none
    }

    header {
        height: 60px;
        justify-content: space-between
    }

    .burger {
        display: block
    }

    .header-nav {
        display: none
    }

    body.menu-open .header-nav {
        display: block;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #6b6b6b;
        padding: 18px 0;
        z-index: 1001
    }

    body.menu-open .header-nav__list {
        flex-direction: column;
        align-items: center;
        gap: 16px;
        padding-right: 0
    }

    body.menu-open .header-nav__list li a {
        display: inline-block;
        padding: 8px 10px;
        font-size: 18px
    }

    body.menu-open .burger span {
        opacity: 0
    }

    body.menu-open .burger:before {
        transform: translateY(8px) rotate(45deg)
    }

    body.menu-open .burger:after {
        transform: translateY(-8px) rotate(-45deg)
    }

    .privacy-container,.terms-container {
        padding: 40px 20px
    }
}