.usecase-hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 88px;
    background:
        radial-gradient(circle at 82% 12%, rgba(25, 118, 210, 0.34), transparent 34%),
        linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 52%, var(--navy-2) 100%);
    color: #ffffff;
}

.usecase-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
    pointer-events: none;
}

.usecase-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 76px;
    align-items: center;
}

.usecase-hero-copy h1 {
    max-width: 760px;
    color: #ffffff;
    font-size: clamp(2.2rem, 3.2vw, 2.9rem);
    line-height: 1.02;
    letter-spacing: 0;
    overflow-wrap: normal;
    text-wrap: balance;
    white-space: normal;
}

.usecase-hero-copy h1 span {
    display: block;
}

.usecase-headline-accent {
    background: linear-gradient(90deg, #bfdbfe 0%, var(--cyan) 42%, #60a5fa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 22px;
    color: rgba(203, 213, 225, 0.62);
    font-size: 0.82rem;
    font-weight: 600;
}

.breadcrumbs a {
    color: rgba(219, 234, 254, 0.68);
}

.breadcrumbs a:hover {
    color: #ffffff;
}

.usecase-hero .eyebrow {
    color: #bfdbfe;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
}

.usecase-lede {
    max-width: 640px;
    margin-top: 24px;
    color: #cbd5e1;
    font-size: clamp(1.06rem, 2vw, 1.26rem);
    overflow-wrap: break-word;
    text-wrap: pretty;
}

.usecase-media {
    min-width: 0;
    padding: 7px 14px 14px;
    border: 2px solid rgba(255, 255, 255, 0.76);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(16px);
    box-shadow:
        0 30px 90px rgba(0, 0, 0, 0.28),
        0 0 72px rgba(56, 189, 248, 0.22);
}

.usecase-video-window {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: var(--media-radius);
    background: rgba(248, 250, 252, 0.94);
}

.usecase-video-chrome {
    display: flex;
    align-items: flex-start;
    height: 20px;
    padding: 0 8px;
}

.usecase-video-chrome .window-controls {
    gap: 7px;
    padding-top: 2px;
}

.usecase-video-chrome .window-controls span {
    width: 8px;
    height: 8px;
}

.usecase-video-stage {
    padding: 0;
}

.usecase-board-stage {
    display: flex;
    min-height: 360px;
    align-items: center;
    justify-content: center;
    padding: 34px;
    background:
        radial-gradient(circle at 50% 22%, rgba(56, 189, 248, 0.2), transparent 32%),
        linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.usecase-board-stage img {
    display: block;
    width: min(54%, 230px);
    max-height: 440px;
    object-fit: contain;
    filter: drop-shadow(0 24px 26px rgba(15, 23, 42, 0.22));
}

.usecase-media video {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 1.8;
    object-fit: cover;
    object-position: top center;
    border-radius: 0;
}

.usecase-media video.usecase-video-contain {
    aspect-ratio: 1546 / 908;
    object-fit: contain;
    background: rgba(248, 250, 252, 0.96);
}

.usecase-section-heading {
    max-width: 760px;
    margin: 0 auto 34px;
    text-align: center;
}

.usecase-section-heading h2 {
    line-height: 1.04;
}

.usecase-section-heading > p:not(.eyebrow) {
    margin-top: 16px;
    color: var(--muted);
    font-size: 1.08rem;
}

.usecase-starters {
    background:
        radial-gradient(circle at 12% 8%, rgba(37, 99, 235, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f4f8ff 100%);
}

.starter-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.starter-grid-two {
    max-width: 760px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 auto;
}

.starter-grid-single {
    max-width: 340px;
    grid-template-columns: minmax(0, 1fr);
    margin: 0 auto;
}

.starter-card {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 356px;
    flex-direction: column;
    overflow: hidden;
    padding: 14px;
    border: 1px solid #d7e2f0;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.07);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.starter-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(37, 99, 235, 0.04));
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease;
}

.starter-card:hover,
.starter-card:focus-visible {
    border-color: rgba(37, 99, 235, 0.32);
    box-shadow: 0 22px 54px rgba(15, 23, 42, 0.1);
    transform: translateY(-2px);
}

.starter-card:hover::before,
.starter-card:focus-visible::before {
    opacity: 1;
}

.starter-badge {
    position: absolute;
    z-index: 2;
    top: 22px;
    left: 22px;
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 10px;
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--blue-strong);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.07);
}

.starter-board {
    position: relative;
    display: flex;
    height: 190px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid #e0e9f6;
    border-radius: 14px;
    background:
        radial-gradient(circle at 24% 26%, rgba(56, 189, 248, 0.18), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.starter-board img {
    position: relative;
    z-index: 1;
    display: block;
    max-width: 88%;
    max-height: 128px;
    object-fit: contain;
    filter: drop-shadow(0 16px 18px rgba(15, 23, 42, 0.18));
}

.starter-board img.starter-board-rotated {
    max-width: 440px;
    max-height: 190%;
    transform: rotate(270deg);
}

.starter-card-copy {
    min-width: 0;
    padding: 18px 6px 4px;
}

.starter-card h3 {
    margin-top: 8px;
    font-size: 1.22rem;
}

.starter-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.98rem;
}

.starter-card strong {
    display: inline-flex;
    margin-top: 16px;
    color: var(--blue-strong);
    font-size: 0.94rem;
}

.starter-card-featured {
    border-color: rgba(37, 99, 235, 0.36);
    background: linear-gradient(180deg, #ffffff 0%, #f2f7ff 100%);
    box-shadow:
        0 22px 54px rgba(37, 99, 235, 0.12),
        0 0 42px rgba(56, 189, 248, 0.12);
}

.starter-card-featured .starter-board {
    border-color: rgba(37, 99, 235, 0.22);
    background:
        radial-gradient(circle at 24% 26%, rgba(56, 189, 248, 0.22), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #e9f3ff 100%);
}

.esp32-starter-panel {
    max-width: 880px;
    margin: 0 auto;
}

.esp32-starter-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(260px, 0.92fr) minmax(0, 1.08fr);
    gap: 28px;
    align-items: stretch;
    overflow: hidden;
    padding: 18px;
    border: 1px solid rgba(37, 99, 235, 0.28);
    border-radius: 22px;
    background:
        radial-gradient(circle at 16% 18%, rgba(56, 189, 248, 0.2), transparent 30%),
        linear-gradient(135deg, #ffffff 0%, #f1f7ff 100%);
    color: inherit;
    box-shadow:
        0 24px 58px rgba(37, 99, 235, 0.12),
        0 0 44px rgba(56, 189, 248, 0.12);
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.esp32-starter-card:hover,
.esp32-starter-card:focus-visible {
    border-color: rgba(37, 99, 235, 0.42);
    box-shadow:
        0 30px 68px rgba(37, 99, 235, 0.16),
        0 0 52px rgba(56, 189, 248, 0.16);
    transform: translateY(-2px);
}

.esp32-starter-visual {
    min-height: 278px;
    height: auto;
}

.esp32-starter-visual img.starter-board-vertical {
    max-width: 58%;
    max-height: 252px;
}

.esp32-starter-copy {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    padding: 28px 22px 28px 0;
}

.esp32-starter-copy h3 {
    font-size: clamp(1.6rem, 3vw, 2.15rem);
    line-height: 1.04;
}

.esp32-starter-copy p {
    margin-top: 14px;
    color: var(--muted);
    font-size: 1.03rem;
    line-height: 1.62;
}

.esp32-starter-copy code {
    color: #224f89;
    font: inherit;
    font-weight: 800;
}

.starter-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.starter-chip-list span {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    border: 1px solid rgba(37, 99, 235, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: #28548f;
    font-size: 0.82rem;
    font-weight: 800;
}

.esp32-starter-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 24px;
}

.esp32-starter-cta {
    display: inline-flex;
    width: fit-content;
    color: var(--blue-strong);
    font-size: 0.98rem;
    font-weight: 900;
}

.esp32-docs-row {
    display: flex;
    justify-content: center;
    margin-top: 18px;
}

.esp32-docs-link {
    display: inline-flex;
    width: fit-content;
    color: #45627f;
    font-size: 0.92rem;
    font-weight: 800;
}

.esp32-docs-link::after {
    content: "→";
    margin-left: 7px;
    transition: transform 160ms ease;
}

.esp32-docs-link:hover::after,
.esp32-docs-link:focus-visible::after {
    transform: translateX(3px);
}

.usecase-compare {
    background:
        radial-gradient(circle at 18% 8%, rgba(37, 99, 235, 0.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f3f7ff 100%);
}

.compare-panel {
    padding: 52px;
    border: 1px solid #dce7f6;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 26px 72px rgba(16, 24, 40, 0.08);
}

.compare-panel .usecase-section-heading {
    max-width: 860px;
}

.compare-panel .usecase-section-heading h2 {
    font-size: clamp(2rem, 2.7vw, 2.55rem);
}

.compare-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.compare-grid article {
    min-width: 0;
    padding: 24px;
    border: 1px solid #d7e2f0;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.06);
}

.compare-card-featured {
    border-color: rgba(37, 99, 235, 0.32);
    background:
        radial-gradient(circle at 18% 12%, rgba(56, 189, 248, 0.12), transparent 32%),
        linear-gradient(180deg, #ffffff 0%, #f2f7ff 100%);
    box-shadow:
        0 22px 54px rgba(37, 99, 235, 0.11),
        0 0 38px rgba(56, 189, 248, 0.11);
}

.compare-icon {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 12px;
    background: #eef4ff;
    color: var(--blue-strong);
}

.compare-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2.2;
}

.compare-grid article h3 {
    font-size: 1.08rem;
}

.compare-grid p {
    margin-top: 8px;
    color: var(--muted);
}

.usecase-examples {
    background:
        radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.usecase-examples .usecase-section-heading h2 {
    font-size: clamp(2rem, 3vw, 2.65rem);
}

.example-grid {
    max-width: 840px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.example-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 14px;
    border: 1px solid #d7e2f0;
    border-radius: 18px;
    background: #ffffff;
    color: inherit;
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.07);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.example-card:hover,
.example-card:focus-visible {
    border-color: rgba(37, 99, 235, 0.28);
    box-shadow: 0 22px 54px rgba(15, 23, 42, 0.1);
    transform: translateY(-2px);
}

.example-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 1px solid #e0e9f6;
    border-radius: 14px;
    background:
        radial-gradient(circle at 18% 12%, rgba(56, 189, 248, 0.12), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
}

.example-card div {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 16px 4px 4px;
}

.example-card p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.95rem;
}

.example-card span {
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    padding-top: 14px;
    color: var(--blue-strong);
    font-weight: 800;
}

.example-card span::after {
    content: "→";
    margin-left: 7px;
    transition: transform 160ms ease;
}

.example-card:hover span::after,
.example-card:focus-visible span::after {
    transform: translateX(3px);
}

.gallery-link-row {
    display: flex;
    justify-content: center;
    margin-top: 26px;
}

.gallery-link-row .button {
    min-height: 50px;
    border: 1px solid rgba(37, 99, 235, 0.24);
    background: #ffffff;
    color: var(--blue-strong);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.gallery-link-row .button:hover {
    border-color: rgba(37, 99, 235, 0.38);
    background: #f8fbff;
    box-shadow: 0 18px 42px rgba(37, 99, 235, 0.14);
}

.esp32-proof {
    background:
        radial-gradient(circle at 84% 14%, rgba(14, 165, 233, 0.14), transparent 28%),
        linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
}

.esp32-proof-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
    gap: 34px;
    align-items: center;
    padding: 46px;
    border: 1px solid #dce7f6;
    border-radius: 28px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(239, 247, 255, 0.8));
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
}

.esp32-proof-copy {
    max-width: 720px;
}

.esp32-proof-copy h2 {
    max-width: 680px;
    margin-top: 10px;
    font-size: clamp(2rem, 2.9vw, 2.7rem);
    line-height: 1.06;
}

.esp32-proof-copy p:not(.eyebrow) {
    margin-top: 16px;
    color: var(--muted);
    font-size: 1.02rem;
}

.esp32-proof-link {
    display: inline-flex;
    align-items: center;
    margin-top: 22px;
    color: var(--blue-strong);
    font-weight: 850;
}

.esp32-proof-link::after {
    content: "→";
    margin-left: 7px;
    transition: transform 160ms ease;
}

.esp32-proof-link:hover::after,
.esp32-proof-link:focus-visible::after {
    transform: translateX(3px);
}

.esp32-proof-grid {
    display: grid;
    gap: 12px;
}

.esp32-proof-grid article {
    padding: 18px;
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
}

.esp32-proof-grid span {
    display: block;
    color: var(--ink);
    font-weight: 850;
}

.esp32-proof-grid p {
    margin-top: 7px;
    color: var(--muted);
    font-size: 0.95rem;
}

.usecase-faq {
    background: #ffffff;
}

.usecase-faq-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
    gap: 56px;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-list article {
    padding: 22px;
    border: 1px solid #dce7f6;
    border-radius: var(--media-radius);
    background: #f8fbff;
}

.faq-list p {
    margin-top: 8px;
    color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
    .usecase-video-stage {
        aspect-ratio: 3 / 1.8;
        background-image: var(--usecase-motion-poster);
        background-position: top center;
        background-size: cover;
    }

    .usecase-video-stage-contain {
        aspect-ratio: 1546 / 908;
        background-color: rgba(248, 250, 252, 0.96);
        background-position: center;
        background-repeat: no-repeat;
        background-size: contain;
    }

    .usecase-media video {
        display: none;
    }
}

@media (max-width: 980px) {
    .usecase-hero-grid,
    .usecase-faq-grid {
        min-width: 0;
        grid-template-columns: 1fr;
    }

    .usecase-hero-copy,
    .usecase-media {
        min-width: 0;
        max-width: 100%;
    }

    .starter-grid,
    .example-grid,
    .compare-grid,
    .esp32-proof-panel {
        grid-template-columns: 1fr;
    }

    .esp32-starter-card {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .esp32-starter-copy {
        padding: 4px 8px 12px;
    }

}

@media (max-width: 640px) {
    .usecase-hero {
        padding: 72px 0 64px;
    }

    .usecase-hero-grid {
        width: min(var(--shell), calc(100% - 28px));
    }

    .usecase-hero-copy h1 {
        max-width: 100%;
        font-size: 2.05rem;
        line-height: 1.08;
        overflow-wrap: break-word;
    }

    .compare-panel {
        padding: 28px 18px;
        border-radius: 22px;
    }

    .esp32-proof-panel {
        padding: 28px 18px;
        border-radius: 22px;
    }

    .esp32-proof-copy h2 {
        font-size: 2rem;
    }

    .esp32-starter-card {
        padding: 14px;
        border-radius: 18px;
    }

    .esp32-starter-visual {
        min-height: 224px;
    }

    .esp32-starter-visual img.starter-board-vertical {
        max-width: 56%;
        max-height: 204px;
    }

    .esp32-starter-copy h3 {
        font-size: 1.5rem;
    }
}