:root {
    --primary-color: #1769ff;
    --primary-dark: #0d4fd1;
    --primary-light: #eaf1ff;

    --background-color: #ffffff;
    --section-background: #f7f8fb;

    --text-color: #172033;
    --secondary-text: #667085;

    --border-color: #e2e6ed;

    --white: #ffffff;
    --success-color: #16875d;
    --error-color: #c62828;

    --container-width: 1160px;

    --small-radius: 12px;
    --medium-radius: 20px;
    --large-radius: 30px;

    --shadow:
        0 20px 50px rgba(23, 32, 51, 0.08);
}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;

    background: var(--background-color);
    color: var(--text-color);

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}


button,
input,
select,
textarea {
    font-family: inherit;
}


a {
    color: inherit;
}


.support-container {
    width: min(
        calc(100% - 40px),
        var(--container-width)
    );

    margin: 0 auto;
}


.support-label {
    margin: 0 0 12px;

    color: var(--primary-color);

    font-size: 0.8rem;
    font-weight: 800;

    letter-spacing: 0.12em;
    text-transform: uppercase;
}


.support-hero {
    padding: 110px 0 100px;

    background:
        radial-gradient(
            circle at top left,
            rgba(23, 105, 255, 0.16),
            transparent 35%
        ),
        linear-gradient(
            180deg,
            #f5f8ff 0%,
            #ffffff 100%
        );

    text-align: center;
}


.support-hero .support-container {
    max-width: 850px;
}


.support-hero h1 {
    margin: 0;

    font-size: clamp(
        2.8rem,
        7vw,
        5.5rem
    );

    line-height: 1.05;
    letter-spacing: -0.05em;
}


.support-description {
    max-width: 700px;

    margin: 24px auto 0;

    color: var(--secondary-text);

    font-size: 1.15rem;
}


.support-search {
    position: relative;

    max-width: 700px;

    margin: 40px auto 0;
}


.support-search input {
    width: 100%;
    height: 64px;

    padding: 0 90px 0 22px;

    border: 1px solid var(--border-color);
    border-radius: 18px;

    background: var(--white);
    color: var(--text-color);

    font-size: 1rem;

    outline: none;

    box-shadow: var(--shadow);
}


.support-search input:focus {
    border-color: var(--primary-color);

    box-shadow:
        0 0 0 4px rgba(23, 105, 255, 0.12),
        var(--shadow);
}


.clear-search {
    position: absolute;
    top: 50%;
    right: 18px;

    display: none;

    border: none;
    background: transparent;

    color: var(--primary-color);

    font-weight: 700;

    cursor: pointer;

    transform: translateY(-50%);
}


.support-section {
    padding: 95px 0;
}


.section-heading {
    max-width: 720px;

    margin: 0 auto 45px;

    text-align: center;
}


.section-heading h2,
.contact-content h2 {
    margin: 0;

    font-size: clamp(
        2.1rem,
        4.5vw,
        3.5rem
    );

    line-height: 1.1;
    letter-spacing: -0.04em;
}


.section-heading > p:last-child {
    margin: 16px 0 0;

    color: var(--secondary-text);
}


.support-cards {
    display: grid;

    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 20px;
}


.support-card {
    min-height: 300px;

    padding: 30px;

    border: 1px solid var(--border-color);
    border-radius: var(--medium-radius);

    background: var(--white);
    color: var(--text-color);

    text-decoration: none;

    box-shadow:
        0 12px 35px rgba(23, 32, 51, 0.05);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}


.support-card:hover {
    transform: translateY(-6px);

    border-color: rgba(23, 105, 255, 0.45);

    box-shadow: var(--shadow);
}


.support-icon {
    width: 52px;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 15px;

    background: var(--primary-light);
    color: var(--primary-color);

    font-size: 0.9rem;
    font-weight: 800;
}


.support-card h3 {
    margin: 24px 0 0;

    font-size: 1.25rem;
}


.support-card p {
    margin: 12px 0 0;

    color: var(--secondary-text);
}


.faq-section {
    padding: 95px 0;

    background: var(--section-background);
}


.faq-list {
    max-width: 880px;

    margin: 0 auto;
}


.faq-item {
    margin-bottom: 14px;

    overflow: hidden;

    border: 1px solid var(--border-color);
    border-radius: 16px;

    background: var(--white);

    scroll-margin-top: 40px;
}


.faq-question {
    width: 100%;
    min-height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 20px 24px;

    border: none;
    background: transparent;

    color: var(--text-color);

    font-size: 1rem;
    font-weight: 750;
    text-align: left;

    cursor: pointer;
}


.faq-question:hover {
    background: #fafbfc;
}


.faq-symbol {
    width: 34px;
    height: 34px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: var(--primary-light);
    color: var(--primary-color);

    font-size: 1.4rem;

    transition:
        transform 0.2s ease,
        background 0.2s ease,
        color 0.2s ease;
}


.faq-question.active .faq-symbol {
    transform: rotate(45deg);

    background: var(--primary-color);
    color: var(--white);
}


.faq-answer {
    display: none;

    padding: 0 24px 24px;

    color: var(--secondary-text);
}


.faq-answer.open {
    display: block;
}


.faq-answer p {
    margin: 0;
}


.faq-answer p + p {
    margin-top: 14px;
}


.faq-answer ol {
    padding-left: 22px;
}


.no-results {
    display: none;

    max-width: 700px;

    margin: 25px auto 0;
    padding: 30px;

    border: 1px dashed var(--border-color);
    border-radius: var(--medium-radius);

    background: var(--white);

    text-align: center;
}


.no-results h3,
.no-results p {
    margin: 0;
}


.no-results p {
    margin-top: 8px;

    color: var(--secondary-text);
}


.contact-section {
    padding: 100px 0;
}


.contact-container {
    display: grid;

    grid-template-columns:
        minmax(0, 0.85fr)
        minmax(0, 1.15fr);

    gap: 70px;

    align-items: start;
}


.contact-content > p:not(.support-label) {
    margin: 20px 0 0;

    color: var(--secondary-text);

    font-size: 1.05rem;
}


.contact-information {
    margin-top: 35px;
}


.contact-detail {
    margin-bottom: 16px;
    padding: 18px 20px;

    border: 1px solid var(--border-color);
    border-radius: var(--small-radius);

    background: var(--section-background);
}


.contact-detail span {
    display: block;

    margin-bottom: 4px;

    color: var(--secondary-text);

    font-size: 0.85rem;
}


.contact-detail a {
    color: var(--primary-color);

    font-weight: 750;
    text-decoration: none;
}


.support-form {
    padding: 35px;

    border: 1px solid var(--border-color);
    border-radius: var(--large-radius);

    background: var(--white);

    box-shadow: var(--shadow);
}


.form-row {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 18px;
}


.form-group {
    margin-bottom: 20px;
}


.form-group label {
    display: block;

    margin-bottom: 8px;

    font-size: 0.9rem;
    font-weight: 750;
}


.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;

    border: 1px solid var(--border-color);
    border-radius: var(--small-radius);

    background: var(--white);
    color: var(--text-color);

    font-size: 1rem;

    outline: none;
}


.form-group input,
.form-group select {
    height: 52px;

    padding: 0 14px;
}


.form-group textarea {
    min-height: 170px;

    padding: 14px;

    resize: vertical;
}


.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);

    box-shadow:
        0 0 0 4px rgba(23, 105, 255, 0.1);
}


.message-count {
    margin-top: 6px;

    color: var(--secondary-text);

    font-size: 0.8rem;
    text-align: right;
}


.submit-button {
    width: 100%;
    min-height: 54px;

    border: none;
    border-radius: 999px;

    background: var(--primary-color);
    color: var(--white);

    font-size: 1rem;
    font-weight: 800;

    cursor: pointer;

    transition:
        background 0.2s ease,
        transform 0.2s ease;
}


.submit-button:hover {
    background: var(--primary-dark);

    transform: translateY(-2px);
}


.form-message {
    min-height: 24px;

    margin: 14px 0 0;

    text-align: center;
    font-weight: 700;
}


.form-message.success {
    color: var(--success-color);
}


.form-message.error {
    color: var(--error-color);
}


@media screen and (max-width: 950px) {

    .support-cards {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }


    .contact-container {
        grid-template-columns: 1fr;

        gap: 45px;
    }

}


@media screen and (max-width: 650px) {

    .support-container {
        width: min(
            calc(100% - 28px),
            var(--container-width)
        );
    }

    .support-hero {
        padding: 80px 0 70px;
    }

    .support-search input {
        height: 58px;

        padding-left: 16px;

        font-size: 0.9rem;
    }

    .support-section,
    .faq-section,
    .contact-section {
        padding: 70px 0;
    }

    .support-cards {
        grid-template-columns: 1fr;
    }

    .support-card {
        min-height: auto;
    }

    .form-row {
        grid-template-columns: 1fr;

        gap: 0;
    }

    .support-form {
        padding: 22px;

        border-radius: 20px;
    }

    .faq-question {
        min-height: 68px;

        padding: 18px;
    }

    .faq-answer {
        padding: 0 18px 20px;
    }

}