/* ==========================================================================
   Intro Section (#intro) – Section 1
   Layout, image slider, content slider, responsive. Nav/controls inside border-frame.
   ========================================================================== */

/* Desktop-first: nav and all controls inside border-frame */
#intro .split-layout {
    padding-bottom: calc(var(--space-2) + 12px);
    box-sizing: border-box;
}

#intro .split-content {
    padding: 0 clamp(var(--space-3), 6vw, var(--space-8));
    padding-bottom: clamp(var(--space-4), 5vw, 48px);
    justify-content: space-between;
    box-sizing: border-box;
}

#intro .section-vertical-label {
    font-size: 0.8rem;
}

/* Intro: content area – nav stays inside the bordered area */
#intro .content-slider {
    min-height: 0;
    display: flex;
    flex-direction: column;
    flex: 1;
}

#intro .content-slides-container {
    padding: clamp(var(--space-6), 10vw, 88px) 0 clamp(var(--space-4), 6vw, 48px);
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#intro .content-slide {
    position: absolute;
    top: 58%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    padding-right: var(--space-2);
}

/* Slightly cap intro headings for better proportion (avoid oversized on large screens) */
#intro .section-heading {
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    margin-bottom: clamp(0.4rem, 0.8vw, 0.75rem);
    line-height: 1.2;
    font-weight: 600;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

#intro .section-subheading {
    font-size: clamp(1.35rem, 3.5vw, 2.35rem);
    margin-bottom: clamp(0.6rem, 1.2vw, 1.25rem);
    font-weight: 500;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

#intro .section-text {
    font-size: clamp(0.9rem, 1.25vw, 1.05rem);
    line-height: 1.55;
    margin-bottom: clamp(1rem, 2.5vw, 2rem);
    max-width: 100%;
    opacity: 0.88;
}

/* Benefits slide: clear separation between list and app buttons */
#intro .auth-buttons {
    gap: clamp(var(--space-2), 3vw, 20px);
    margin-top: clamp(1rem, 2.5vw, 2rem);
}

#intro .auth-btn {
    padding: clamp(10px, 1.5vw, 12px) clamp(24px, 3vw, 36px);
    font-size: clamp(0.75rem, 1.1vw, 14px);
}

#intro .platform-logos {
    gap: clamp(var(--space-1), 2vw, 1.25rem);
    margin: clamp(1rem, 2.5vw, 2rem) 0;
    flex-wrap: nowrap;
}

#intro .store-logo.spotify { height: clamp(20px, 2.8vw, 26px); }
#intro .store-logo.apple,
#intro .store-logo.amazon,
#intro .store-logo.youtube,
#intro .store-logo.tiktok {
    height: clamp(18px, 2.2vw, 22px);
}
#intro .store-logo.soundcloud {
    height: clamp(22px, 2.8vw, 28px);
}

#intro .stores-button {
    margin-top: clamp(1rem, 2vw, 1.75rem);
    display: flex;
    justify-content: center;
}
#intro .stores-count {
    padding: clamp(8px, 1.2vw, 12px) clamp(18px, 2.5vw, 25px);
    font-size: clamp(0.7rem, 1vw, 13px);
}

#intro .benefits-list {
    margin: clamp(0.75rem, 1.5vw, 1.5rem) 0 clamp(1rem, 2vw, 1.75rem);
    gap: clamp(0.4rem, 0.8vw, 0.75rem);
}

#intro .benefits-list li {
    font-size: clamp(0.875rem, 1.15vw, 1rem);
    gap: clamp(0.5rem, 1vw, 0.75rem);
    line-height: 1.4;
}

#intro .benefits-list li svg {
    min-width: clamp(18px, 2.2vw, 22px);
    width: clamp(18px, 2.2vw, 22px);
    height: clamp(18px, 2.2vw, 22px);
    flex-shrink: 0;
}

#intro .app-stores {
    gap: clamp(var(--space-2), 2.5vw, 18px);
    margin-top: clamp(0.75rem, 1.5vw, 1.5rem);
    flex-wrap: wrap;
}

#intro .app-store-btn {
    padding: clamp(10px, 1.2vw, 12px) clamp(16px, 2.2vw, 22px);
    font-size: clamp(0.7rem, 1vw, 13px);
}

#intro .app-store-btn svg {
    width: clamp(16px, 1.8vw, 20px);
    height: clamp(16px, 1.8vw, 20px);
}

/* App store button text: long label on desktop, short on mobile (see max-width: 768px) */
#intro .app-store-btn .btn-text-short {
    display: none;
}
#intro .app-store-btn .btn-text-long {
    display: inline;
}

/* Slider nav – inside the border; no blue focus, use orange accent */
#intro .content-slider-nav {
    position: relative;
    bottom: auto;
    margin-top: auto;
    flex-shrink: 0;
    gap: clamp(var(--space-2), 2vw, 24px);
    padding: var(--space-3) 0;
}

#intro .content-slider-counter {
    font-size: clamp(0.8rem, 1.1vw, 1rem);
    color: rgba(255, 255, 255, 0.65);
}

#intro .content-slider-counter .current {
    color: rgba(255, 255, 255, 0.95);
}

#intro .prev-content,
#intro .next-content {
    width: clamp(34px, 4vw, 44px);
    height: clamp(34px, 4vw, 44px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

#intro .prev-content:focus,
#intro .next-content:focus {
    outline: none;
    border-color: rgba(255, 107, 0, 0.7);
    box-shadow: 0 0 0 2px rgba(255, 107, 0, 0.2);
}

#intro .prev-content:hover,
#intro .next-content:hover {
    border-color: rgba(255, 107, 0, 0.6);
    background: rgba(255, 107, 0, 0.12);
}

#intro .prev-content svg,
#intro .next-content svg {
    width: clamp(14px, 1.8vw, 20px);
    height: clamp(14px, 1.8vw, 20px);
}

#intro .content-slider-controls {
    gap: clamp(20px, 3vw, 36px);
}

/* Intro: image slider – slide transition (outgoing slides right, incoming from right) */
#intro .image-slider .slide {
    transition: transform 1.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 1s ease;
    transform: translateX(100%);
    opacity: 1;
}
#intro .image-slider .slide.active {
    transform: translateX(0);
    z-index: 2;
}
#intro .image-slider .slide.active ~ .slide {
    transform: translateX(100%);
}

/* Intro: image slider controls (dots + arrows) – inset from border */
#intro .slider-controls {
    bottom: clamp(2rem, 5.5vw, 3rem);
    left: calc(var(--space-5) + 0.5rem);
    gap: clamp(var(--space-2), 2vw, 20px);
}

#intro .dot {
    width: clamp(18px, 2.2vw, 28px);
}

#intro .dot.active {
    width: clamp(24px, 3vw, 40px);
}

#intro .slider-arrows {
    gap: clamp(8px, 1.2vw, 14px);
    margin-left: clamp(8px, 1.2vw, 16px);
}

#intro .arrow {
    width: clamp(30px, 3.5vw, 38px);
    height: clamp(30px, 3.5vw, 38px);
}

#intro .arrow i {
    font-size: clamp(10px, 1.1vw, 13px);
}

/* Intro: Analytics slide – balanced phone + text, clearer hierarchy */
#intro .analytics-layout {
    gap: clamp(var(--space-4), 5vw, 3rem);
    padding-left: 0;
    padding-right: 0;
    align-items: center;
}

#intro .iphone-container {
    margin-left: 0;
    padding: clamp(var(--space-2), 2vw, var(--space-3));
    min-width: auto;
}

#intro .iphone-frame {
    width: clamp(200px, 22vw, 260px);
    height: clamp(400px, 44vw, 520px);
    transform: perspective(1200px) rotateY(-12deg) rotateX(4deg);
    box-shadow:
        20px 50px 80px -20px rgba(0, 0, 0, 0.5),
        0 20px 40px -10px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

#intro .iphone-frame .app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 34px;
}

#intro .analytics-content {
    flex: 1;
    min-width: 0;
}

#intro .analytics-content .section-heading {
    font-size: clamp(1.5rem, 3.2vw, 2.1rem);
    margin-bottom: clamp(0.25rem, 0.5vw, 0.4rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

#intro .analytics-content .section-subheading {
    font-size: clamp(1.35rem, 2.8vw, 1.95rem);
    margin-bottom: clamp(0.6rem, 1vw, 1rem);
    font-weight: 500;
    line-height: 1.25;
}

#intro .analytics-content .section-text {
    font-size: clamp(0.875rem, 1.1vw, 1rem);
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
    line-height: 1.55;
    opacity: 0.9;
}

#intro .analytics-content .explore-btn {
    margin-top: clamp(0.5rem, 1vw, 0.75rem);
    padding: clamp(12px, 1.4vw, 16px) clamp(28px, 3vw, 40px);
    font-size: clamp(0.8rem, 1vw, 0.95rem);
    font-weight: 600;
    letter-spacing: 0.12em;
    border-radius: 32px;
    box-shadow:
        0 4px 20px rgba(244, 108, 20, 0.35),
        0 2px 8px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.25s ease, transform 0.2s ease;
}

#intro .analytics-content .explore-btn:hover {
    box-shadow:
        0 6px 28px rgba(244, 108, 20, 0.45),
        0 4px 12px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
}

/* ==========================================================================
   Intro: 980px–1083px – heading size + prevent slide counter overlapping CTA
   ========================================================================== */
@media (min-width: 980px) and (max-width: 1083px) {
    #intro .section-heading {
        font-size: clamp(1.2rem, 2.2vw, 1.6rem);
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    #intro .section-subheading {
        font-size: clamp(1rem, 2vw, 1.4rem);
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    #intro .section-text {
        margin-bottom: 1rem;
    }
    #intro .platform-logos {
        gap: 0.75rem;
        margin: 0.65rem 0;
    }
    #intro .store-logo.spotify {
        height: 22px;
    }
    #intro .store-logo.apple,
    #intro .store-logo.amazon,
    #intro .store-logo.youtube,
    #intro .store-logo.tiktok {
        height: 20px;
    }
    #intro .store-logo.soundcloud {
        height: 25px;
    }
    #intro .content-slider-nav {
        margin-top: 1.25rem;
    }
    #intro .content-slider-counter {
        font-size: 0.9rem;
    }
    #intro .content-slider-counter .current,
    #intro .content-slider-counter .total {
        font-size: 0.9rem;
    }
    #intro .stores-button {
        margin-bottom: 0.5rem;
    }
    /* Intro slide 3: benefits list + app store buttons – tighter spacing */
    #intro .benefits-list {
        margin: 0.5rem 0 0.75rem;
        gap: 0.5rem;
    }
    #intro .benefits-list li {
        font-size: 0.9rem;
        gap: 0.5rem;
    }
    #intro .benefits-list li svg {
        min-width: 18px;
        width: 18px;
        height: 18px;
    }
    #intro .app-stores {
        gap: 0.65rem;
        margin-top: 0.6rem;
        margin-bottom: 1.25rem;
    }
    #intro .app-store-btn {
        padding: 8px 14px;
        font-size: 0.75rem;
    }
    #intro .app-store-btn svg {
        width: 16px;
        height: 16px;
    }
    #intro .content-slider-nav {
        margin-top: 1.5rem;
    }
}

/* 1086px and above: content fits in frame; buttons never overlap nav arrows */
@media (min-width: 1086px) {
    #intro .split-content {
        min-width: 0;
        overflow: hidden;
    }
    #intro .content-slider {
        min-width: 0;
        overflow: hidden;
    }
    #intro .content-slide {
        max-width: 100%;
        box-sizing: border-box;
    }
    #intro .section-heading {
        font-size: 2.2rem;
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    #intro .section-subheading {
        font-size: 1.9rem;
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    #intro .section-text {
        max-width: 100%;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }
    #intro .benefits-list {
        max-width: 100%;
    }
    #intro .app-stores {
        max-width: 100%;
        margin-bottom: 2.25rem;
    }
    #intro .content-slider-nav {
        flex-shrink: 0;
        margin-top: 2.25rem;
    }
}

/* ==========================================================================
   Intro responsive: tablet then mobile (desktop unchanged)
   All rules scoped to #intro only; global split-layout column at 979px.
   ========================================================================== */

/* Tablet: intro-specific tightening (stacked layout already from global 979px) */
@media (max-width: 979px) {
    #intro .split-content {
        padding: 0 var(--space-3);
    }
    /* Login / Signup: breathing room below body copy */
    #intro .content-slide:first-child .section-text {
        margin-bottom: 0.85rem !important;
    }
    #intro .auth-buttons {
        margin-top: 1.25rem;
    }
    #intro .section-heading {
        font-size: clamp(1.5rem, 5vw, 2rem);
        overflow-wrap: break-word;
        word-wrap: break-word;
        max-width: 100%;
        padding-right: 8px;
    }
    #intro .section-subheading {
        font-size: clamp(1.25rem, 4.5vw, 1.85rem);
        overflow-wrap: break-word;
        word-wrap: break-word;
        max-width: 100%;
        padding-right: 8px;
    }
    #intro .section-text { font-size: 0.9rem; margin-bottom: 1rem; }
    #intro .content-slides-container { padding: clamp(var(--space-5), 8vw, 64px) 0 var(--space-4); }
    #intro .content-slider-nav { gap: var(--space-2); }
    #intro .analytics-layout { gap: var(--space-3); }
    #intro .iphone-frame {
        width: clamp(180px, 35vw, 220px);
        height: clamp(360px, 70vw, 440px);
    }
}

/* 481–768px: intro – step up from 480px; override global !important so no 2rem jump */
@media (max-width: 768px) {
    #intro .split-layout {
        padding-top: 56px;
    }
    /* Hero height: unified in responsive.css (--mobile-hero-*) */
    #intro .split-image {
        flex: none;
        flex-shrink: 0;
        overflow: hidden;
        position: relative;
    }
    #intro .split-image .image-slider {
        height: 100%;
        overflow: hidden;
    }
    #intro .split-content {
        flex: 1;
        min-height: 0;
        height: auto;
        margin-top: 0;
        padding: var(--space-2) var(--space-3);
        position: relative;
        z-index: 1;
        padding-bottom: 0;
        overflow: hidden;
    }
    #intro .content-slide {
        position: relative;
        top: 0;
        transform: none;
    }
    #intro .content-slides-container {
        padding: var(--space-4) 0 var(--space-3);
        overflow: visible;
        min-height: 0;
    }
    #intro .section-heading {
        font-size: 1.05rem !important;
        margin-bottom: 0.3rem;
        line-height: 1.22;
        overflow-wrap: break-word;
        word-wrap: break-word;
        padding-right: 4px;
    }
    #intro .section-subheading {
        font-size: 0.95rem !important;
        margin-bottom: 0.4rem;
    }
    #intro .section-text {
        font-size: 0.85rem !important;
        margin-bottom: 0.6rem;
        line-height: 1.5;
    }
    #intro .auth-buttons {
        display: flex;
        flex-direction: row;
        gap: var(--space-1);
        margin-top: 1.25rem;
        width: 100%;
    }
    #intro .auth-btn {
        flex: 1;
        min-width: 0;
        padding: 6px 10px;
        font-size: 0.65rem;
        min-height: 32px;
        text-align: center;
    }
    #intro .platform-logos {
        gap: var(--space-2);
        margin: 0.7rem 0;
        flex-wrap: wrap;
    }
    #intro .store-logo.spotify { height: 20px; }
    #intro .store-logo.apple,
    #intro .store-logo.amazon,
    #intro .store-logo.youtube,
    #intro .store-logo.tiktok { height: 18px; }
    #intro .store-logo.soundcloud { height: 23px; }
    #intro .stores-button {
        margin-top: 0.6rem;
        margin-bottom: 24px;
    }
    #intro .stores-count {
        padding: 6px 14px;
        font-size: 0.7rem;
    }
    /* Intro slide 3: benefits list + app store buttons */
    #intro .benefits-list {
        margin: 0.55rem 0 0.8rem;
        gap: 0.4rem;
    }
    #intro .benefits-list li {
        font-size: 0.8125rem !important;
        gap: 0.45rem;
    }
    #intro .benefits-list li svg {
        min-width: 18px;
        width: 18px;
        height: 18px;
    }
    #intro .section-vertical-label {
        font-size: 0.75rem;
        left: 6px;
        top: 50%;
        gap: 0.35rem;
    }
    #intro .section-vertical-label-line {
        width: 20px;
        min-width: 20px;
    }
    #intro .slider-controls {
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
        gap: 8px;
    }
    #intro .slider-dots { gap: 6px; }
    #intro .dot { width: 12px; height: 2px; }
    #intro .dot.active { width: 18px; }
    #intro .slider-arrows { gap: 8px; margin-left: 8px; }
    #intro .arrow {
        width: 26px;
        height: 26px;
        min-width: 26px;
        min-height: 26px;
    }
    #intro .arrow i { font-size: 9px; }
    #intro .content-slider-counter { display: none; }
    #intro .content-slider-nav {
        position: relative;
        bottom: auto;
        padding: var(--space-1) 0;
        margin-top: var(--space-3);
        margin-bottom: 0;
    }
    #intro .prev-content,
    #intro .next-content {
        width: 28px;
        height: 28px;
        min-width: 28px;
        min-height: 28px;
    }
    #intro .prev-content svg,
    #intro .next-content svg { width: 12px; height: 12px; }
}

/* 401–407px: slide 3 – use space before dots; smaller list font so no overlap */
@media (min-width: 401px) and (max-width: 407px) {
    #intro .benefits-list {
        margin: 0.6rem 0 1.25rem;
        gap: 0.4rem;
    }
    #intro .benefits-list li {
        font-size: 0.75rem !important;
    }
    #intro .content-slider-nav {
        margin-top: var(--space-3);
        margin-bottom: 0;
    }
}

/* 481–554px: extra clearance so OVER 200+ STORES button does not overlap nav arrows; use space before dots */
@media (min-width: 481px) and (max-width: 554px) {
    #intro .stores-button {
        margin-bottom: 28px;
    }
    #intro .content-slider-nav {
        margin-top: var(--space-3);
        margin-bottom: 0;
    }
}

/* 497–500px: slide 3 – use space before dots; smaller list font so no overlap */
@media (min-width: 497px) and (max-width: 500px) {
    #intro .benefits-list {
        margin: 0.55rem 0 1.15rem;
        gap: 0.4rem;
    }
    #intro .benefits-list li {
        font-size: 0.8rem !important;
    }
    #intro .content-slider-nav {
        margin-top: var(--space-3);
        margin-bottom: 0;
    }
}

/* Removed: 481–496px image shrink — hero height now matches video via responsive.css */

/* Mobile: intro – 401–480px; scale up from iPhone SE (≤400px) base: smaller fonts, width buttons, compact spacing */
@media (max-width: 480px) {
    #intro .split-layout {
        padding-top: 52px;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
    /* Hero height: unified in responsive.css (--mobile-hero-*) */
    #intro .split-image {
        flex: none;
        flex-shrink: 0;
        overflow: hidden;
        position: relative;
    }
    #intro .split-image .image-slider {
        height: 100%;
        overflow: hidden;
    }
    #intro .split-content {
        flex: 1;
        min-height: 0;
        height: auto;
        margin-top: 10px;
        padding: var(--space-2) var(--space-3);
        padding-top: var(--space-2);
        padding-bottom: 0;
        position: relative;
        z-index: 1;
        overflow: hidden;
    }
    #intro .content-slide {
        position: relative;
        top: 0;
        transform: none;
        padding-right: 0;
    }
    #intro .content-slides-container {
        padding: var(--space-3) 0 var(--space-3);
        min-height: 0;
        overflow: visible;
    }
    #intro .section-vertical-label {
        font-size: 0.8rem;
        left: 6px;
    }
    #intro .section-heading {
        font-size: 1rem !important;
        margin-bottom: 0.25rem;
        line-height: 1.22;
        overflow-wrap: break-word;
        word-wrap: break-word;
        padding-right: 2px;
    }
    #intro .section-subheading {
        font-size: 0.9rem !important;
        margin-bottom: 0.35rem;
        overflow-wrap: break-word;
        word-wrap: break-word;
        padding-right: 2px;
    }
    #intro .section-text { font-size: 0.7875rem !important; margin-bottom: 0.45rem; line-height: 1.48; }
    #intro .auth-buttons {
        display: flex;
        flex-direction: row;
        gap: var(--space-1);
        margin-top: 1.25rem;
        margin-bottom: 0;
        width: 100%;
    }
    #intro .auth-btn {
        flex: 1;
        min-width: 0;
        padding: 5px 8px;
        font-size: 0.6rem;
        min-height: 30px;
        text-align: center;
    }
    #intro .platform-logos { gap: var(--space-2); margin: 0.85rem 0; flex-wrap: wrap; }
    #intro .store-logo.spotify { height: 20px; }
    #intro .store-logo.apple,
    #intro .store-logo.amazon,
    #intro .store-logo.youtube,
    #intro .store-logo.tiktok { height: 18px; }
    #intro .store-logo.soundcloud { height: 23px; }
    #intro .stores-button { margin-top: 0.55rem; }
    #intro .stores-count { padding: 6px 12px; font-size: 0.65rem; }
    #intro .benefits-list { margin: 0.6rem 0 0.9rem; gap: 0.4rem; }
    #intro .benefits-list li { font-size: 0.75rem !important; }
    #intro .benefits-list li svg { min-width: 18px; width: 18px; height: 18px; }
    #intro .content-slider-counter { display: none; }
    #intro .content-slider-nav {
        position: relative;
        bottom: auto;
        gap: var(--space-1);
        padding: 6px 0;
        margin-top: var(--space-3);
        margin-bottom: 0;
    }
    #intro .prev-content,
    #intro .next-content {
        width: 26px;
        height: 26px;
        min-width: 26px;
        min-height: 26px;
    }
    #intro .prev-content svg, #intro .next-content svg { width: 11px; height: 11px; }
    #intro .slider-controls {
        bottom: 8px;
        left: 50%;
        transform: translateX(-50%);
        gap: 6px;
    }
    #intro .slider-dots { gap: 5px; }
    #intro .dot { width: 10px; height: 2px; }
    #intro .dot.active { width: 16px; }
    #intro .slider-arrows { gap: 6px; margin-left: 6px; }
    #intro .arrow { width: 24px; height: 24px; min-width: 24px; min-height: 24px; }
    #intro .arrow i { font-size: 8px; }
    #intro .section-vertical-label {
        font-size: 0.8rem;
        left: 6px;
        top: 48%;
        gap: 0.25rem;
    }
    #intro .section-vertical-label-line {
        width: 20px;
        min-width: 20px;
    }
    #intro .analytics-content .section-heading,
    #intro .analytics-content .section-subheading { font-size: 1.05rem; }
    #intro .analytics-content .section-text { font-size: 0.8125rem; margin-bottom: 0.75rem; }
    #intro .explore-btn { padding: 10px 20px; font-size: 0.75rem; min-height: 38px; }
    #intro .iphone-frame {
        width: 150px;
        height: 300px;
    }
}

/* Very small phones (e.g. iPhone SE 375px): scale down type, controls, and prevent overlap */
@media (max-width: 400px) {
    #intro .split-image {
        overflow: hidden;
        flex: none;
        flex-shrink: 0;
    }
    #intro .split-image .image-slider {
        height: 100%;
        overflow: hidden;
    }
    #intro .split-content {
        flex: 1;
        min-height: 0;
        margin-top: 10px;
        padding: var(--space-2) var(--space-3);
        padding-top: 48px;
        padding-bottom: 72px;
        position: relative;
        z-index: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Override global !important so intro font sizes apply */
    #intro .section-heading {
        font-size: clamp(1rem, 4.5vw, 1.15rem) !important;
        margin-bottom: 0.25rem;
        line-height: 1.2;
    }
    #intro .section-subheading {
        font-size: clamp(0.875rem, 4vw, 1rem) !important;
        margin-bottom: 0.4rem;
    }
    #intro .section-text {
        font-size: 0.8125rem !important;
        margin-bottom: 0.7rem;
        line-height: 1.48;
    }
    #intro .auth-buttons {
        gap: var(--space-1);
        margin-top: 1.25rem;
        width: 100%;
    }
    #intro .auth-btn {
        flex: 1;
        min-width: 0;
        padding: 5px 8px;
        font-size: 0.6rem;
        min-height: 30px;
        text-align: center;
    }
    /* Intro slide 2: platform logos + OVER 200+ STORES */
    #intro .platform-logos { gap: var(--space-1); margin: 0.5rem 0; flex-wrap: wrap; }
    #intro .store-logo.spotify { height: 18px; }
    #intro .store-logo.apple,
    #intro .store-logo.amazon,
    #intro .store-logo.youtube,
    #intro .store-logo.tiktok { height: 16px; }
    #intro .store-logo.soundcloud { height: 21px; }
    #intro .stores-button { margin-top: 0.5rem; }
    #intro .stores-count { padding: 5px 10px; font-size: 0.6rem; }
    /* Intro slide 3: benefits + app stores */
    #intro .benefits-list { margin: 0.5rem 0 0.7rem; gap: 0.35rem; }
    #intro .benefits-list li { font-size: 0.725rem !important; gap: 0.4rem; }
    #intro .benefits-list li svg { min-width: 16px; width: 16px; height: 16px; }
    #intro .content-slider-nav { margin-top: var(--space-3); margin-bottom: 0; padding: 4px 0; }
    #intro .prev-content,
    #intro .next-content {
        width: 26px;
        height: 26px;
        min-width: 26px;
        min-height: 26px;
    }
    #intro .prev-content svg,
    #intro .next-content svg { width: 11px; height: 11px; }
    #intro .slider-controls { bottom: 8px; gap: 6px; }
    #intro .slider-dots { gap: 5px; }
    #intro .dot { width: 10px; height: 2px; }
    #intro .dot.active { width: 16px; }
    #intro .slider-arrows { gap: 6px; margin-left: 6px; }
    #intro .arrow {
        width: 24px;
        height: 24px;
        min-width: 24px;
        min-height: 24px;
    }
    #intro .arrow i { font-size: 8px; }
    #intro .section-vertical-label {
        font-size: 0.8rem;
        left: 6px;
    }
    #intro .section-vertical-label-line { width: 16px; min-width: 16px; }
}

/* Smallest (e.g. iPhone SE 375px and below): extra tweaks */
@media (max-width: 380px) {
    /* Hero height: unified in responsive.css */
    #intro .split-content {
        min-height: 0;
        height: auto;
        margin-top: 0;
        padding: var(--space-2) var(--space-3);
        padding-top: var(--space-2);
        padding-bottom: 0;
    }
    #intro .section-heading { font-size: 1rem !important; }
    #intro .section-subheading { font-size: 0.875rem !important; }
    #intro .section-text { font-size: 0.8rem !important; }
    #intro .auth-btn {
        padding: 5px 8px;
        font-size: 0.625rem;
        min-height: 32px;
    }
    #intro .platform-logos { gap: var(--space-1); margin: 0.45rem 0; }
    #intro .store-logo.spotify { height: 16px; }
    #intro .store-logo.apple,
    #intro .store-logo.amazon,
    #intro .store-logo.youtube,
    #intro .store-logo.tiktok { height: 14px; }
    #intro .store-logo.soundcloud { height: 19px; }
    #intro .stores-button { margin-top: 0.85rem; }
    #intro .stores-count { padding: 5px 10px; font-size: 0.575rem; }
    /* Intro slide 3: benefits + app stores (smallest) */
    #intro .benefits-list { margin: 0.4rem 0 0.55rem; gap: 0.3rem; }
    #intro .benefits-list li { font-size: 0.7rem !important; gap: 0.35rem; }
    #intro .benefits-list li svg { min-width: 14px; width: 14px; height: 14px; }
    #intro .content-slider-nav { margin-top: var(--space-2); margin-bottom: 0; }
    #intro .section-vertical-label { font-size: 0.8rem; }
}