.install-section {
    margin: 40px 0;
}

.install-header {
    text-align: center;
    margin-bottom: 24px;
}

.install-header .eyebrow {
    display: inline-block;
    background: linear-gradient(90deg, #02C1A6 0%, #00CD7C 100%);
    color: #ffffff;
    border-radius: 9999px;
    padding: 6px 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    font-size: 14px;
}

.install-header .title {
    margin: 10px 0 0 0;
    font-size: 32px;
}

.install-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.install-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid #eef4f2;
}

.install-card::before {
    content: "";
    display: block;
    height: 4px;
    background: linear-gradient(90deg, #02C1A6, #00CD7C);
}

.install-card .card-media {
    position: relative;
    aspect-ratio: 16/9;
    background: #000;
}

.install-card .card-media iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.install-card .card-body {
    padding: 14px 16px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.install-card .card-text {
    font-size: 15px;
}

.step-badge {
    background: #02C1A6;
    color: #ffffff;
    font-weight: 700;
    border-radius: 9999px;
    padding: 6px 12px;
    font-size: 14px;
    white-space: nowrap;
}

.install-note {
    background: #EAFCFA;
    border: 1px solid #CFF4EC;
    border-radius: 12px;
    padding: 14px 16px;
    margin-top: 16px;
    text-align: center;
}

@media (max-width: 992px) {
    .install-header .title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .install-grid {
        max-width: 100%;
    }
}

/* Combined measure/install section */
.duo-section {
    margin: 40px 0;
}

.duo-header {
    text-align: center;
    margin-bottom: 24px;
}

.duo-header .title {
    margin: 10px 0 0 0;
    font-size: 30px;
}

.duo-row {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: center;
    position: relative;
}

.duo-row .side-logo {
    position: relative;
    z-index: 1;
}

.duo-row .side-logo.left-logo {
    transform: translateX(50%);
}

.duo-row .side-logo.right-logo {
    transform: translateX(-50%);
}

.duo-row .side-logo .logo-image {
    height: 80px;
    width: auto;
    display: block;
}

@media (max-width: 768px) {
    .duo-row .side-logo {
        display: none;
    }
}

.duo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 3;
}

@media (max-width: 768px) {
    .duo-grid {
        grid-template-columns: 1fr;
    }
}

/* FAQ section */
.faq-section {
    margin: 40px 0;
}

.faq-header {
    text-align: center;
    margin-bottom: 20px;
}

.faq-list {
    display: grid;
    gap: 14px;
    max-width: 960px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid #eef4f2;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    background: linear-gradient(90deg, rgba(2, 193, 166, 0.12) 0%, rgba(0, 205, 124, 0.12) 100%);
    border-bottom: 1px solid #CFF4EC;
    border: none;
    cursor: pointer;
    text-align: left;
    font-weight: 700;
    font-size: 18px;
}

.faq-question:focus {
    outline: 2px solid #02C1A6;
    outline-offset: 2px;
}

.faq-question .icon {
    width: 28px;
    height: 28px;
    border-radius: 9999px;
    background: #02C1A6;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    line-height: 1;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-question .icon img {
    width: 14px;
    height: 14px;
    filter: brightness(0) invert(1);
}

.faq-answer {
    height: 0;
    overflow: hidden;
    padding: 0 18px;
    background: #ffffff;
    border-top: 1px solid #CFF4EC;
    transition: height 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: height;
}

.faq-answer-inner {
    padding: 10px 0 14px;
}

.faq-item.open .faq-question .icon {
    transform: rotate(45deg);
}