:root {
    --page-bg: #ffffff;
    --card-bg: #f6f6f6;
    --text-main: #0d0d0d;
    --border-color: #e5e5e5;
    --radius: 16px;
    --padding: 24px;
    --transition: 0.22s ease-out;
}

/* Page base */
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", sans-serif;
    background-color: var(--page-bg);
    color: var(--text-main);
}

.faq-section {
    padding: 60px 16px 80px;
}

.faq-container {
    max-width: 960px;
    margin: 0 auto;
}

/* Title */
.faq-title {
    margin: 0 0 32px;
    text-align: center;
    font-size: clamp(26px, 3vw, 32px);
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-main);
}

/* List layout */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Card */
.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: border-color var(--transition), background-color var(--transition);
}

    /* Optional slight border when open for clarity */
    .faq-item.is-open {
        border-color: var(--border-color);
    }

/* Header (clickable area) */
.faq-header {
    width: 100%;
    padding: var(--padding);
    border: none;
    outline: none;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
}

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

    .faq-header:focus-visible {
        outline: 2px solid #2563eb;
        outline-offset: 2px;
    }

.faq-question {
    flex: 1;
}

/* Icon base */
.faq-icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

    /* Horizontal line */
    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        width: 100%;
        height: 2px;
        background: var(--text-main);
        border-radius: 999px;
        transition: transform 0.25s ease, opacity 0.25s ease;
        transform-origin: center;
    }

    /* Horizontal line (before) */
    .faq-icon::before {
        transform: translate(-50%, -50%);
    }

    /* Vertical line (after) */
    .faq-icon::after {
        transform: translate(-50%, -50%) rotate(90deg);
    }

/* WHEN OPEN → X ICON */
.faq-item.is-open .faq-icon::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.faq-item.is-open .faq-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

/* Body */
.faq-body {
    padding: 0 var(--padding);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition), padding-bottom var(--transition), padding-top var(--transition);
    will-change: max-height;
    color: var(--text-main);
}

.faq-item.is-open .faq-body {
    padding-top: 0;
    padding-bottom: var(--padding);
}

/* Text inside body */
.faq-body p {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.7;
    color: var(--text-main);
    max-width: 720px;
}

/* Responsive */
@media (max-width: 640px) {
    .faq-section {
        padding: 40px 12px 56px;
    }

    .faq-header {
        padding: 20px;
        font-size: 15px;
    }

    .faq-body {
        padding: 0 20px;
    }

    .faq-item.is-open .faq-body {
        padding-bottom: 20px;
    }
}