* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f8f6;
    color: #24332b;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 50px;
    background-color: white;
    border-bottom: 1px solid #dfe7e2;
}

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

.logo-button {
    padding: 0;
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.logo-button img {
    display: block;
    width: 100px;
    height: auto;
}

.logo-button:hover {
    background-color: transparent;
}

.top-bar {
    display: flex;
    gap: 8px;
}

.top-link {
    border: none;
    background: transparent;
    color: #34483c;
    font-size: 17px;
    cursor: pointer;
    padding: 12px 16px;
}

.top-link:hover {
    color: #3f7658;
    background-color: #edf4ef;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 30px;
}

section {
    min-height: 500px;
}

h2 {
    font-size: 48px;
    color: #315e46;
    margin-top: 0px;
    margin-bottom: 20px;
}

h3 {
    font-size: 28px;
    color: #3f7658;
    margin-top: 40px;
    margin-bottom: 12px;
}

h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 1.5;
}

p {
    max-width: 750px;
    font-size: 18px;
    line-height: 1.7;
}

button {
    padding: 12px 22px;
    border: none;
    border-radius: 8px;
    background-color: #3f7658;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #315e46;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-card {
    background-color: white;
    padding: 25px;
    border: 1px solid #dfe7e2;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(36, 51, 43, 0.06);
}

.feature-card h3 {
    margin-top: 0;
    font-size: 22px;
}

.feature-card p {
    margin-bottom: 0;
    font-size: 16px;
}

#home {
    text-align: left;
}

#home h2 {
    font-size: 56px;
    margin-bottom: 10px;
}

#home h3 {
    margin-top: 35px;
}

#home h4 {
    max-width: 750px;
    margin: 15px 0;
}

#home p {
    max-width: 750px;
    margin: 15px 0;
}

#home button {
    margin-top: 10px;
}

.phone-image {
    width: 380px;
    border: 10px solid #1f2421;
    border-radius: 38px;
    padding: 3px;
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.10),
        0 20px 40px rgba(0, 0, 0, 0.18);
    float: right;
    margin: 20px 20px 30px 50px;
}

footer {
    background-color: #24332b;
    color: white;
    padding: 50px 30px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
}

.footer-brand h3 {
    color: white;
    margin-top: 0;
}

.footer-brand p {
    font-size: 15px;
    color: #dfe7e2;
}

.footer-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-column h4 {
    margin-top: 0;
    margin-bottom: 12px;
    font-weight: bold;
}

.footer-column button {
    background: transparent;
    padding: 6px 0;
    color: #dfe7e2;
    font-size: 15px;
}

.footer-column button:hover {
    background: transparent;
    color: white;
}

.footer-bottom {
    max-width: 1100px;
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid #506057;
}

.footer-bottom p {
    font-size: 14px;
    color: #dfe7e2;
    margin: 0;
}

.faq-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 25px;
}

.faq-item {
    background-color: white;
    padding: 25px;
    border: 1px solid #dfe7e2;
    border-radius: 12px;
}

.faq-item h4 {
    color: #315e46;
    font-weight: bold;
    font-size: 19px;
    margin-top: 0;
}

.faq-item p {
    font-size: 16px;
    margin-bottom: 0;
}

.contact-card {
    background-color: white;
    padding: 25px;
    margin-top: 20px;
    border: 1px solid #dfe7e2;
    border-radius: 12px;
}

.contact-card h3 {
    margin-top: 0;
    font-size: 22px;
}

.contact-card p {
    font-size: 16px;
}

.contact-card a {
    color: #3f7658;
    font-weight: bold;
}

.contact-card a:hover {
    color: #315e46;
}

#privacy p,
#terms p,
#deletion p {
    max-width: 800px;
}

#privacy h3,
#terms h3,
#deletion h3 {
    margin-top: 30px;
    font-size: 24px;
}

#privacy a,
#terms a,
#deletion a {
    color: #3f7658;
    font-weight: bold;
}

#privacy a:hover,
#terms a:hover,
#deletion a:hover {
    color: #315e46;
}

.top-link.active {
    color: #315e46;
    background-color: #edf4ef;
    font-weight: bold;
}

@media (max-width: 700px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
    }

    .top-bar {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }

    .top-link {
        font-size: 15px;
        padding: 8px 10px;
    }

    main {
        padding: 40px 20px;
    }

    h2 {
        font-size: 36px;
    }

    h3 {
        font-size: 24px;
    }

    p {
        font-size: 16px;
    }

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

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

    .faq-container {
        grid-template-columns: 1fr;
    }

    .phone-image {
        width: 220px;
        max-width: 80%;
        height: auto;
        float: none;
        display: block;
        margin: 20px auto;
    }
}