.sa-page {
    overflow: hidden;
}

/* Hero */

.sa-hero {
    padding: 72px 0 96px;
}

.sa-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 580px) minmax(360px, 500px);
    align-items: center;
    justify-content: space-between;
    gap: 88px;
}

.sa-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sa-title-icon {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    object-fit: contain;
}

.sa-hero h1 {
    margin: 0;
    font-size: clamp(48px, 5vw, 70px);
    line-height: 0.98;
    letter-spacing: -0.065em;
    font-weight: 700;
}

.sa-hero-subtitle {
    margin: 26px 0 0;
    max-width: 31ch;
    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1.5;
    letter-spacing: -0.03em;
}

.sa-app-store-badge {
    display: inline-flex;
    margin-top: 30px;
}

.sa-app-store-badge img {
    width: 178px;
    height: auto;
}

.sa-hero-visual {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 390px;
}

.sa-hero-visual img {
    width: min(100%, 500px);
    height: auto;
    object-fit: contain;
}

/* Shared */

.sa-eyebrow {
    margin: 0;
    color: #86868b;
    font-size: 13px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sa-heading-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sa-heading-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    object-fit: contain;
    opacity: 0.78;
}

.sa-section-heading {
    max-width: 780px;
    margin: 0 auto 42px;
    text-align: center;
}

.sa-section-heading-left {
    margin-inline: 0;
    text-align: left;
}

.sa-section-heading h2 {
    margin: 16px 0 0;
    font-size: clamp(38px, 4.4vw, 58px);
    line-height: 1;
    letter-spacing: -0.06em;
    font-weight: 700;
}

.sa-section-heading > p:last-child {
    margin: 22px auto 0;
    max-width: 64ch;
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.7;
    letter-spacing: -0.02em;
}

.sa-section-heading-left > p:last-child {
    margin-inline: 0;
}

/* Intro */

.sa-intro-section {
    padding: 0 0 110px;
}

.sa-intro-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
    gap: 92px;
    padding: 76px 80px 82px;
    border-radius: 34px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

.sa-intro-heading h2 {
    margin: 24px 0 0;
    font-size: clamp(44px, 4.6vw, 62px);
    line-height: 0.98;
    letter-spacing: -0.065em;
    font-weight: 700;
}

.sa-intro-content {
    padding-top: 2px;
}

.sa-intro-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.78;
    letter-spacing: -0.018em;
}

.sa-intro-content p + p {
    margin-top: 24px;
}

.sa-intro-content .sa-intro-lead {
    color: var(--text-primary);
    font-size: 21px;
    line-height: 1.62;
    letter-spacing: -0.03em;
    font-weight: 600;
}

.sa-quote {
    margin: 34px 0 0;
    padding: 24px 0 0;
    color: var(--text-primary);
    font-size: 20px;
    line-height: 1.55;
    letter-spacing: -0.025em;
    font-weight: 600;
    border-top: 1px solid rgba(0, 0, 0, 0.09);
}

.sa-feature-icon .sa-feature-icon-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}


/* Experience */

.sa-experience-section {
    padding: 108px 0 112px;
    background: #fbfbfd;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.sa-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.sa-feature-card {
    min-height: 280px;
    padding: 30px 28px;
    border-radius: 26px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

.sa-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    color: #4a4a4f;
}

.sa-feature-icon svg {
    width: 38px;
    height: 38px;
}

.sa-airpods-feature-icon {
    width: 56px;
    height: 48px;
    overflow: hidden;
}

.sa-airpods-feature-icon img {
    width: 78px;
    max-width: none;
    transform: translateX(-11px);
    object-fit: contain;
}

.sa-feature-card h3 {
    margin: 26px 0 0;
    font-size: 20px;
    line-height: 1.15;
    letter-spacing: -0.035em;
    font-weight: 700;
}

.sa-feature-card p {
    margin: 14px 0 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.62;
}

/* Use cases */

.sa-use-cases-section {
    padding: 112px 0;
}

.sa-use-cases-card {
    padding: 72px 76px;
    border-radius: 34px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

.sa-use-cases-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 64px;
    margin-top: 54px;
}

.sa-use-cases-list article {
    padding: 28px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.sa-use-cases-list h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: -0.035em;
    font-weight: 700;
}

.sa-use-cases-list p {
    margin: 12px 0 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.65;
}

/* App section */

.sa-app-section {
    padding: 0 0 112px;
}

.sa-app-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 70px;
    padding: 68px 76px;
    border-radius: 34px;
    background: linear-gradient(145deg, #ffffff 0%, #fafaff 100%);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

.sa-app-card h2 {
    margin: 18px 0 0;
    font-size: clamp(38px, 4vw, 54px);
    line-height: 1;
    letter-spacing: -0.06em;
    font-weight: 700;
}

.sa-app-card p {
    margin: 22px 0 0;
    max-width: 64ch;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

.sa-app-card p + p {
    margin-top: 16px;
}

.sa-app-card-icon {
    width: 84px;
    height: 84px;
    object-fit: contain;
    opacity: 0.72;
}

/* FAQ */

.sa-faq-section {
    padding: 108px 0;
    background: #fbfbfd;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.sa-article-container {
    max-width: 900px;
}

.sa-faq-list {
    margin-top: 42px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sa-faq-list details {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.sa-faq-list summary {
    position: relative;
    padding: 26px 44px 26px 0;
    list-style: none;
    cursor: pointer;
    font-size: 18px;
    line-height: 1.35;
    letter-spacing: -0.025em;
    font-weight: 600;
}

.sa-faq-list summary::-webkit-details-marker {
    display: none;
}

.sa-faq-list summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 4px;
    color: #77777c;
    font-size: 25px;
    font-weight: 400;
    transform: translateY(-50%);
}

.sa-faq-list details[open] summary::after {
    content: "−";
}

.sa-faq-list details p {
    margin: -4px 0 0;
    padding: 0 44px 28px 0;
    max-width: 70ch;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Closing */

.sa-closing-section {
    padding: 92px 0 84px;
}

.sa-closing-card {
    padding: 76px 32px;
    text-align: center;
    border-radius: 34px;
    background: #ffffff;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

.sa-closing-card h2 {
    margin: 0;
    font-size: clamp(42px, 5vw, 64px);
    line-height: 0.98;
    letter-spacing: -0.065em;
    font-weight: 700;
}

.sa-closing-card p {
    margin: 22px auto 0;
    max-width: 46ch;
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.6;
}

/* Responsive */

@media (max-width: 1100px) {
    .sa-hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
        gap: 48px;
    }

    .sa-intro-card {
        gap: 60px;
        padding: 62px;
    }

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

    .sa-feature-card {
        min-height: 230px;
    }
}

@media (max-width: 820px) {
    .sa-hero {
        padding: 58px 0 78px;
    }

    .sa-hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .sa-hero-visual {
        justify-content: center;
        min-height: auto;
    }

    .sa-hero-visual img {
        width: min(100%, 440px);
    }

    .sa-title-icon {
        width: 28px;
        height: 28px;
        flex-basis: 28px;
    }

    .sa-intro-section {
        padding-bottom: 82px;
    }

    .sa-intro-card {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 48px 38px;
    }

    .sa-experience-section,
    .sa-use-cases-section,
    .sa-faq-section {
        padding: 84px 0;
    }

    .sa-feature-grid,
    .sa-use-cases-list {
        grid-template-columns: 1fr;
    }

    .sa-feature-card {
        min-height: auto;
    }

    .sa-use-cases-card {
        padding: 50px 38px;
    }

    .sa-use-cases-list {
        margin-top: 38px;
    }

    .sa-app-card {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 50px 38px;
    }

    .sa-app-card-icon {
        width: 64px;
        height: 64px;
    }

    .sa-closing-section {
        padding: 76px 0;
    }
}

@media (max-width: 560px) {
    .sa-hero {
        padding: 48px 0 66px;
    }

    .sa-title-row {
        align-items: flex-start;
        gap: 10px;
    }

    .sa-title-icon {
        width: 24px;
        height: 24px;
        flex-basis: 24px;
        margin-top: 7px;
    }

    .sa-hero h1 {
        font-size: 44px;
    }

    .sa-hero-subtitle {
        margin-top: 20px;
        font-size: 18px;
    }

    .sa-hero-visual img {
        width: 100%;
    }

    .sa-intro-card,
    .sa-use-cases-card,
    .sa-app-card {
        padding: 38px 24px;
        border-radius: 26px;
    }

    .sa-intro-heading h2 {
        font-size: 42px;
    }

    .sa-intro-content .sa-intro-lead {
        font-size: 19px;
    }

    .sa-intro-content p {
        font-size: 16px;
        line-height: 1.72;
    }

    .sa-section-heading h2 {
        font-size: 40px;
    }

    .sa-section-heading > p:last-child {
        font-size: 16px;
    }

    .sa-feature-grid {
        gap: 16px;
    }

    .sa-feature-card {
        padding: 26px 24px;
        border-radius: 22px;
    }

    .sa-app-card-icon {
        width: 54px;
        height: 54px;
    }

    .sa-faq-list summary {
        padding-block: 23px;
        font-size: 17px;
    }

    .sa-closing-card {
        padding: 58px 24px;
        border-radius: 28px;
    }
}