/* Landing Page Styles */
#cards_header {
    top: -200px !important;
}

.cards__landing_intro {
    text-align: center;
    max-width: 800px;
    margin: 40px auto;
    padding: 12px 20px;
    box-sizing: border-box;
    font-size: 24px;
    font-weight: 300;
    color: #4a4a4a;
    opacity: 0;
    animation: landingIntroFadeIn 2s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes landingIntroFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.cards__landing_intro p {
    margin: 0;
    color: #333;
}

/* Story Arena & Sequential Sections (TARQ Studio natural scroll pattern) */
.cards__landing_story_arena {
    position: relative;
    width: 100%;
    box-sizing: border-box;
    margin-top: 40px;
    margin-bottom: 80px;
    overflow: hidden;
}

.cards__landing_story_stage {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 60px;
    box-sizing: border-box;
}

.cards__landing_story_panel {
    position: relative;
    width: 100%;
    min-height: calc(100vh - 380px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 30px 0;
}


/* ==========================================================================
   Hardware-Accelerated Scroll-Coupled Positioning (Apple Style Parallax)
   ========================================================================== */

/* Hardware-accelerated motion layers for story text */
.cards__landing_story_panel .cards__landing_story_text,
.cards__landing_story_panel .cards__landing_story_header_center {
    will-change: transform, opacity;
}

/* Fluid spring momentum damping for side illustrations and Section 3 CTA action during active scroll */
.is-story-scrolling .cards__landing_story_panel .cards__banner_flashcard_stack_demo,
.is-story-scrolling .cards__landing_story_panel .cards__banner_discover_demo,
.is-story-scrolling .cards__landing_story_panel .cards__landing_carousel_container,
.is-story-scrolling .cards__landing_story_panel .cards__landing_story_action_center,
.is-story-scrolling .cards__banner_flashcard_stack .cards__banner_stack_card {
    transition: transform 0.52s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.52s ease-out;
    will-change: transform, opacity;
}

.cards__landing_section {
    min-height: 560px;
    height: 560px;
    box-sizing: border-box;
}

.cards__landing_section.cards_section_grid_2_cols {
    max-width: 1040px;
    margin: 0 auto;
    grid-template-columns: 500px 500px;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.cards__banner_flashcard_stack_demo {
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    width: 500px;
    max-width: 100%;
    min-height: 500px;
    height: 100%;
    margin: 0 auto;
}

.cards__banner_flashcard_stack {
    position: absolute;
    top: 40px;
    right: 250px;
    width: 200px;
    height: 200px;
    transform: rotate(-7deg);
    transform-origin: center center;
    z-index: 20;
    pointer-events: none;
}

.cards__banner_flashcard_stack::before {
    content: "";
    position: absolute;
    width: 88%;
    height: 48px;
    left: 8%;
    bottom: -18px;
    background: rgba(0, 0, 0, 0.14);
    filter: blur(16px);
    border-radius: 50%;
    z-index: 0;
}

/* Base card style */
.cards__banner_stack_card {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #ffffff;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Lower layers */
.cards__banner_stack_layer {
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.06),
        0 12px 22px rgba(0, 0, 0, 0.10);
}

/* Variations for stacked appearance */
.cards__banner_stack_layer_5 {
    transform: translate(12px, 32px) rotate(-15deg);
    z-index: 1;
}

.cards__banner_stack_layer_4 {
    transform: translate(12px, 25px) rotate(-8deg);
    z-index: 2;
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.08),
        0 14px 24px rgba(0, 0, 0, 0.12);
}

.cards__banner_stack_layer_3 {
    transform: translate(5px, 14px) rotate(-3.5deg);
    z-index: 3;
}

.cards__banner_stack_layer_2 {
    transform: translate(2px, 6px) rotate(-1deg);
    z-index: 4;
}

/* Top card */
.cards__banner_top_card {
    z-index: 5;
    box-shadow:
        0 2px 2px rgba(0,0,0,0.04),
        0 18px 30px rgba(0,0,0,0.10);
}

/* Slight inner realism */
.cards__banner_stack_card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
    width: 100%;
    height: 100%;
}

/* Text */
.cards__banner_card_text {
    font-family: "Roboto", 'Open Sans', sans-serif;
    font-size: 32px;
    line-height: 1.02;
    font-weight: 500;
    color: #333;
    text-align: center;
    letter-spacing: -0.03em;
    width: 100%;
    outline: none;
    overflow-wrap: break-word;
    word-break: break-word;
}

.cards__banner_stack_card .cards__banner_card_text {
    font-size: 16px;
    line-height: 1.45;
    color: #333;
    font-weight: 500;
}

/* Dynamic length-based sizing for user input card and synced cards */
.cards__banner_card_text_length_short {
    font-size: 32px !important;
    line-height: 1.05 !important;
    letter-spacing: -0.03em;
}

.cards__banner_card_text_length_medium {
    font-size: 22px !important;
    line-height: 1.25 !important;
    letter-spacing: -0.02em;
}

.cards__banner_card_text_length_long {
    font-size: 16px !important;
    line-height: 1.45 !important;
    letter-spacing: normal;
}

/* Section 3 proportional sizing for larger carousel sync card (240px vs 200px = 1.2x) */
#carousel-sync-card.cards__banner_card_text_length_short {
    font-size: 38.4px !important;
    line-height: 1.05 !important;
    letter-spacing: -0.03em;
}

#carousel-sync-card.cards__banner_card_text_length_medium {
    font-size: 26.4px !important;
    line-height: 1.25 !important;
    letter-spacing: -0.02em;
}

#carousel-sync-card.cards__banner_card_text_length_long {
    font-size: 19.2px !important;
    line-height: 1.45 !important;
    letter-spacing: normal;
}

.cards__banner_user_input_card .cards__banner_card_text {
    caret-color: #333;
}

.cards__landing_story_text {
    padding: 20px;
    width: 500px;
    max-width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
}

.cards__landing_story_text_right {
    text-align: right;
}

.cards__landing_story_title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.25;
}

.cards__landing_story_description {
    font-size: 12pt;
    line-height: 1.4;
    color: dimgrey;
    margin: 0;
}

.cards__landing_story_action {
    margin-top: 24px;
}

.cards__landing_button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    max-width: fit-content;
    flex-grow: 0;
    padding: 0 20px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    box-sizing: border-box;
}

.cards__landing_button:hover {
    color: white;
    text-decoration: none;
}


.cards__banner_blinking_cursor {
    display: inline-block;
    width: 1px;
    height: 1.1em;
    background-color: #333;
    vertical-align: text-bottom;
    animation: blinker 1s step-end infinite;
}

.cards__banner_card_text:focus .cards__banner_blinking_cursor {
    opacity: 0;
    animation: none;
}

@keyframes blinker {
    50% { opacity: 0; }
}

.cards__banner_user_input_card {
    position: absolute;
    top: 250px;
    right: 20px;
    width: 200px;
    height: 200px;
    padding: 20px;
    background: #ffffff;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.14);
    z-index: 10;
    transform: rotate(-5deg);
    pointer-events: auto;
}

.cards__banner_user_input_card::after {
    content: "";
    position: absolute;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45);
    width: 100%;
    height: 100%;
}

/* Phase 2: Discover & Explore Widget Styles */
.cards__banner_discover_demo {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 500px;
    max-width: 100%;
    min-height: 500px;
    height: 100%;
    padding: 20px 0;
    box-sizing: border-box;
    gap: 10px;
    margin: 0 auto;
}

/* 5-Card Stack (Independent Rotations & Shifts for Phase 2) */
.cards__banner_discover_stack {
    position: relative;
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    transform: rotate(5deg);
    transform-origin: center center;
}

.cards__banner_discover_stack::before {
    content: "";
    position: absolute;
    width: 88%;
    height: 48px;
    left: 8%;
    bottom: -18px;
    background: rgba(0, 0, 0, 0.12);
    filter: blur(16px);
    border-radius: 50%;
    z-index: 0;
}

.cards__banner_discover_layer {
    box-shadow:
        0 1px 0 rgba(0, 0, 0, 0.03),
        0 10px 18px rgba(0, 0, 0, 0.05);
}

.cards__banner_discover_layer_5 {
    transform: translate(14px, 20px) rotate(-10deg);
    z-index: 1;
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.14);
}

.cards__banner_discover_layer_4 {
    transform: translate(10px, 14px) rotate(-6deg);
    z-index: 2;
}

.cards__banner_discover_layer_3 {
    transform: translate(6px, 8px) rotate(-2deg);
    z-index: 3;
}

.cards__banner_discover_layer_2 {
    transform: translate(2px, 3px) rotate(2deg);
    z-index: 4;
}

.cards__banner_discover_top_card {
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 2px 2px rgba(0, 0, 0, 0.04),
        0 18px 30px rgba(0, 0, 0, 0.10);
}

.cards__banner_discover_top_card::after {
    content: "";
    position: absolute;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
    width: 100%;
    height: 100%;
}

/* Curved Connector Arrow */
.cards__banner_connector_arrow {
    width: 65px;
    height: 35px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -20px;
}

.cards__banner_connector_arrow svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* Category Hierarchy Tree */
.cards__banner_category_tree {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    max-width: 225px;
    width: 225px;
}

.cards__banner_category_item {
    display: flex;
    align-items: center;
    position: relative;
}

.cards__banner_category_level_1 {
    margin-left: 0;
    z-index: 3;
}

.cards__banner_category_level_2 {
    margin-left: 18px;
    z-index: 2;
}

.cards__banner_category_level_3 {
    margin-left: 36px;
    z-index: 1;
}

.cards__banner_category_item.is-active {
    z-index: 100;
}

.cards__banner_category_sub_arrow {
    color: #a0aec0;
    margin-right: 6px;
}

.cards__banner_category_pill {
    display: inline-flex;
    align-items: center;
    width: 140px;
    padding: 8px 14px;
    border-radius: 8px;
    font-family: "Roboto", sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #2f2f2f;
    border: 1px solid #d2d6dc;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
    gap: 8px;
    background-color: #ffffff;
    white-space: nowrap;
    position: relative;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cards__banner_category_pill:hover {
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.cards__banner_category_pill:focus-visible {
    outline: 2px solid #3399CC;
    outline-offset: 2px;
}

.cards__banner_category_domain {
    background-color: rgb(234, 248, 239);
    border-color: rgba(67, 160, 71, 0.3);
}

.cards__banner_category_field {
    background-color: rgb(255, 244, 230);
    border-color: rgba(251, 140, 0, 0.3);
}

.cards__banner_category_selected {
    background-color: rgb(230, 248, 255);
    border-color: #3399CC;
    color: #3399CC;
}

.cards__banner_category_icon {
    font-size: 15px;
    opacity: 0.85;
    flex-shrink: 0;
}

.cards__banner_category_domain .cards__banner_category_icon {
    color: #2e7d32;
}

.cards__banner_category_field .cards__banner_category_icon {
    color: #e65100;
}

.cards__banner_category_selected .cards__banner_category_icon {
    color: #3399CC;
}

.cards__banner_category_selected .cards__banner_category_name {
    color: #3399CC;
}

.cards__banner_category_selected .cards__banner_category_chevron {
    color: #3399CC;
}

.cards__banner_category_name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 4px;
}

.cards__banner_category_chevron {
    font-size: 11px;
    color: #888888;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.cards__banner_category_pill.is-open .cards__banner_category_chevron {
    transform: rotate(180deg);
}

.cards__banner_category_menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    width: max-content;
    max-width: 280px;
    background: #ffffff;
    border: 1px solid #d2d6dc;
    border-radius: 8px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
    z-index: 105;
    padding: 6px 0;
    display: none;
    max-height: 220px;
    overflow-y: auto;
}

.cards__banner_category_pill.is-open .cards__banner_category_menu {
    display: block;
}

.cards__banner_category_option {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #2f2f2f;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
    text-align: left;
    white-space: nowrap;
}

.cards__banner_category_option:hover {
    background-color: #f0f7fb;
    color: #3399CC;
}

.cards__banner_category_option.is-selected {
    font-weight: 700;
    color: #3399CC;
    background-color: #e6f4fa;
}

.cards__banner_category_badge_wrapper {
    margin-left: 8px;
    display: flex;
    align-items: center;
}

.cards__banner_category_badge {
    font-size: 18px;
}

@keyframes checkmarkBadgePop {
    0% { transform: scale(1); }
    50% { transform: scale(1.35); }
    100% { transform: scale(1); }
}

.cards__banner_category_badge.is-animating {
    animation: checkmarkBadgePop 0.35s ease-out;
}

/* ==========================================================================
   Widget 3: Learn & Remember Flashcard Carousel
   ========================================================================== */

.cards__landing_section_learn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    height: 560px;
    min-height: 560px;
    padding: 0;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.cards__landing_story_header_center {
    text-align: center;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.cards__landing_carousel_container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    height: 310px;
    touch-action: pan-y;
}

.cards__landing_carousel_viewport {
    position: relative;
    width: 100%;
    max-width: 580px;
    height: 300px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: pan-y;
}

.cards__landing_carousel_track {
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    margin-left: -152px;
    display: flex;
    align-items: center;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

.cards__landing_study_card_wrapper {
    width: 240px;
    height: 240px;
    flex: 0 0 240px;
    margin: 0 32px;
    perspective: 1000px;
    transform: scale(0.875);
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 2;
    opacity: 1;
    touch-action: pan-y;
}

.cards__landing_study_card_wrapper.cards__landing_study_card_active {
    transform: scale(1);
    z-index: 5;
    opacity: 1;
}

.cards__landing_study_card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease-out;
    cursor: grab;
    border-radius: 0;
    box-shadow: -3px 3px 3px rgba(0, 0, 0, 0.14);
}

.cards__landing_study_card:active {
    cursor: grabbing;
}

.cards__landing_study_card_wrapper.cards__landing_study_card_active .cards__landing_study_card {
    box-shadow: -18px 18px 12px rgba(0, 0, 0, 0.14);
}

.cards__landing_study_card.is-flipped {
    transform: rotateX(180deg);
    box-shadow: -3px -3px 3px rgba(0, 0, 0, 0.14);
}

.cards__landing_study_card_wrapper.cards__landing_study_card_active .cards__landing_study_card.is-flipped {
    box-shadow: -18px -18px 12px rgba(0, 0, 0, 0.14);
}

.cards__landing_card_face {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    background-color: #ffffff;
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    box-sizing: border-box;
    opacity: 1;
    user-select: none;
}

.cards__landing_card_face::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
    width: 100%;
    height: 100%;
}

.cards__landing_card_face .cards__banner_card_text {
    font-size: 16px;
    line-height: 1.45;
    color: #333;
    font-weight: 500;
}

#carousel-sync-card {
    font-size: 38.4px;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #333;
}

.cards__landing_card_back {
    transform: rotateX(180deg);
    background-color: #ffffff;
}

.cards__landing_carousel_prev,
.cards__landing_carousel_next {
    top: 50%;
    transform: translateY(-50%) scale(1);
    position: absolute;
    z-index: 25;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.35s cubic-bezier(0.25, 1, 0.5, 1), transform 0.35s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.35s ease;
}

.cards__landing_carousel_prev {
    left: 8px;
}

.cards__landing_carousel_next {
    right: 8px;
}

.cards__landing_carousel_prev.is-hidden,
.cards__landing_carousel_next.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-50%) scale(0.8);
}

.cards__landing_story_action_center {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

/*
 * Styles for mobile devices (e.g. tablets, mobile phones, etc.)
 */
@media screen and (max-width: 768px) {
    .cards__landing_story_arena {
        margin-bottom: 40px;
    }

    .cards__landing_story_stage {
        gap: 60px;
    }

    .cards__landing_story_panel {
        min-height: auto;
        padding: 30px 0;
    }

    .cards__landing_section {
        min-height: auto;
        height: auto;
    }

    .cards__landing_section.cards_section_grid_2_cols {
        display: flex;
        flex-direction: column;
        gap: 0;
        max-width: 100%;
    }

    /* Section 1 Mobile: Illustration under text (order: 2) */
    .cards__banner_flashcard_stack_demo {
        order: 2;
        width: 100%;
        max-width: 500px;
        min-height: auto;
        height: 420px;
        margin: 0 auto;
        padding: 10px 0;
        position: relative;
    }

    .cards__banner_flashcard_stack {
        left: calc(50% - 183px);
        top: 30px;
        right: auto;
        width: 170px;
        height: 170px;
        transform: rotate(-7deg);
    }

    .cards__banner_user_input_card {
        left: calc(50% + 13px);
        top: 208px;
        right: auto;
        width: 170px;
        height: 170px;
    }

    .cards__banner_user_input_card .cards__banner_card_text {
        font-size: 26px;
        line-height: 1.15;
    }

    #carousel-sync-card {
        font-size: 36.7px;
        line-height: 1.15;
    }

    .cards__banner_card_text_length_short {
        font-size: 26px !important;
        line-height: 1.15 !important;
    }

    .cards__banner_card_text_length_medium {
        font-size: 19px !important;
        line-height: 1.25 !important;
    }

    .cards__banner_card_text_length_long {
        font-size: 15px !important;
        line-height: 1.35 !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_short {
        font-size: 36.7px !important;
        line-height: 1.15 !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_medium {
        font-size: 26.8px !important;
        line-height: 1.25 !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_long {
        font-size: 21.2px !important;
        line-height: 1.35 !important;
    }

    .cards__banner_stack_card {
        padding: 17px;
    }

    .cards__landing_card_face {
        padding: 24px;
    }

    .cards__banner_stack_card .cards__banner_card_text {
        font-size: 14px;
        line-height: 1.35;
    }

    /* Section 2 Mobile: Illustration under text (order: 2) */
    .cards__banner_discover_demo {
        order: 2;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        min-height: auto;
        height: auto;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
        padding: 10px 0 20px 0;
    }

    .cards__banner_discover_stack {
        width: 170px;
        height: 170px;
    }

    .cards__banner_connector_arrow {
        transform: rotate(90deg);
        margin: -5px auto;
        width: 60px;
        height: 35px;
    }

    .cards__banner_category_tree {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
        padding-left: calc(50% - 70px);
        box-sizing: border-box;
        align-items: flex-start;
    }

    /* Mobile Text Styling: Header, Paragraph, and CTA button at the top (order: 1) */
    .cards__landing_story_text {
        order: 1;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
        padding: 15px 20px 40px 20px;
        text-align: center;
    }

    .cards__landing_story_text_right {
        text-align: center;
    }

    .cards__landing_story_title {
        text-align: center;
        font-size: 28px;
        margin-bottom: 12px;
    }

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

    .cards__landing_story_action {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        margin-top: 0;
    }

    .cards__landing_button {
        align-self: center;
        margin: 0 auto;
    }

    /* Section 3 Mobile: Header & Paragraph (order: 1) -> Carousel under it (order: 2) -> CTA button under carousel (order: 3) */
    .cards__landing_section_learn {
        padding: 30px 0 80px 0;
        max-width: 100%;
        width: 100%;
    }

    .cards__landing_section_learn .cards__landing_story_header_center {
        order: 1;
        margin-bottom: 0;
        padding: 0 20px;
        box-sizing: border-box;
        text-align: center;
    }

    .cards__landing_section_learn .cards__landing_carousel_container {
        order: 2;
        width: 100%;
        max-width: 100%;
        margin: 0 0 24px 0;
        padding: 0;
        height: 320px;
    }

    .cards__landing_section_learn .cards__landing_carousel_viewport {
        width: 100%;
        max-width: 100%;
        height: 310px;
    }

    .cards__landing_carousel_track {
        margin-left: -130px;
    }

    .cards__landing_study_card_wrapper {
        margin: 0 10px;
    }

    .cards__landing_carousel_prev {
        left: 8px;
    }

    .cards__landing_carousel_next {
        right: 8px;
    }

    .cards__landing_section_learn .cards__landing_story_action_center {
        order: 3;
        display: flex;
        justify-content: center;
        width: 100%;
        margin-top: 0;
        padding: 0 20px;
        box-sizing: border-box;
    }
}

/*
 * Styles for small screen mobile phones.
 */
@media screen and (max-width: 480px) {
    .cards__banner_flashcard_stack_demo {
        height: 380px;
    }

    .cards__banner_flashcard_stack {
        width: 155px;
        height: 155px;
        left: calc(50% - 167px);
        top: 25px;
    }

    .cards__banner_user_input_card {
        width: 155px;
        height: 155px;
        left: calc(50% + 12px);
        top: 188px;
    }

    .cards__banner_discover_stack {
        width: 155px;
        height: 155px;
    }

    .cards__banner_user_input_card .cards__banner_card_text {
        font-size: 24px;
    }

    #carousel-sync-card {
        font-size: 37.2px;
    }

    .cards__banner_card_text_length_short {
        font-size: 24px !important;
    }

    .cards__banner_card_text_length_medium {
        font-size: 17px !important;
    }

    .cards__banner_card_text_length_long {
        font-size: 14px !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_short {
        font-size: 37.2px !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_medium {
        font-size: 26.3px !important;
    }

    #carousel-sync-card.cards__banner_card_text_length_long {
        font-size: 21.7px !important;
    }

    .cards__banner_stack_card {
        padding: 15.5px;
    }

    .cards__landing_card_face {
        padding: 24px;
    }

    .cards__banner_stack_card .cards__banner_card_text {
        font-size: 13px;
    }

    .cards__landing_story_description {
        font-size: 4vw;
    }
}

/* Fallback for short screens where sections exceed viewport height */
@media screen and (max-height: 580px) {
    .cards__landing_story_arena {
        height: auto;
        margin-bottom: 40px;
    }

    .cards__landing_story_stage {
        position: static;
        height: auto;
        display: block;
    }

    .cards__landing_story_panel {
        position: static;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        margin-bottom: 40px;
    }

    .cards__banner_flashcard_stack_demo,
    .cards__banner_discover_demo,
    .cards__landing_story_text,
    .cards__landing_story_header_center,
    .cards__landing_carousel_container,
    .cards__landing_story_action_center {
        transform: none !important;
    }
}