:root {
    color-scheme: light;
    --ink: #111318;
    --muted: #5f6675;
    --line: #dfe5ee;
    --panel: #ffffff;
    --wash: #f7f9fc;
    --accent: #0f6bff;
    --accent-2: #00a884;
    --shadow: 0 22px 54px rgba(20, 31, 55, 0.14);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 12% 10%, rgba(15, 107, 255, 0.10), transparent 30%),
        linear-gradient(180deg, #fbfcff 0%, var(--wash) 42%, #ffffff 100%);
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: 1px;
    z-index: 20;
    background: linear-gradient(90deg, #0f6bff, #00a884, #ee5b2d);
}

a {
    color: inherit;
}

.shell {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.90);
    border-bottom: 1px solid rgba(223, 229, 238, 0.9);
    backdrop-filter: blur(18px);
}

.nav-inner {
    display: flex;
    min-height: 72px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    text-decoration: none;
}

.brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    box-shadow: 0 8px 22px rgba(15, 107, 255, 0.18);
}

.button {
    display: inline-flex;
    max-width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
    background: var(--ink);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), #004bd6);
    box-shadow: 0 15px 34px rgba(15, 107, 255, 0.32);
}

.hero {
    padding: 78px 0 58px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(380px, 0.88fr);
    align-items: center;
    justify-content: center;
    gap: 42px;
}

.hero-grid > * {
    min-width: 0;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent-2);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    max-width: 620px;
    margin: 0;
    font-size: clamp(34px, 4.4vw, 54px);
    line-height: 1.04;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.lead {
    max-width: 620px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 20px;
    line-height: 1.62;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
}

.rating {
    color: var(--muted);
    font-weight: 800;
}

.intent-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.intent-strip span {
    max-width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #394151;
    font-size: 14px;
    font-weight: 850;
    background: rgba(255, 255, 255, 0.74);
}

.showcase {
    position: relative;
    min-height: 0;
}

.hero-visual {
    max-width: 560px;
    overflow: hidden;
    border: 1px solid rgba(20, 31, 55, 0.10);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 30px 80px rgba(20, 31, 55, 0.18);
}

.hero-visual > img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    background: #fff;
}

.visual-badges {
    position: absolute;
    right: 16px;
    bottom: 16px;
    left: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(16px);
}

.visual-badges span {
    padding: 8px 10px;
    border: 1px solid rgba(223, 229, 238, 0.92);
    border-radius: 8px;
    color: #293241;
    font-size: 13px;
    font-weight: 900;
    line-height: 1.1;
    background: #fff;
}

.section {
    padding: 48px 0;
}

.panel,
.comparison-list article,
.article-grid article,
.video-proof-links a,
.related a,
.tip-grid p {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.panel:hover,
.comparison-list article:hover,
.article-grid article:hover,
.video-proof-links a:hover,
.related a:hover,
.tip-grid p:hover {
    border-color: rgba(15, 107, 255, 0.22);
    box-shadow: 0 18px 44px rgba(20, 31, 55, 0.10);
    transform: translateY(-2px);
}

.content-band {
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.video-proof {
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.video-proof-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: 34px;
    align-items: center;
}

.video-proof-copy h2 {
    max-width: 700px;
    margin: 0;
    font-size: 34px;
    line-height: 1.12;
    letter-spacing: 0;
}

.video-proof-copy p:not(.eyebrow) {
    max-width: 720px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.7;
}

.video-proof-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.video-proof-links a {
    display: flex;
    min-height: 96px;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
    background: #fff;
    box-shadow: 0 14px 34px rgba(20, 31, 55, 0.08);
}

.video-proof-links span {
    font-weight: 900;
    line-height: 1.34;
}

.video-proof-links strong {
    color: var(--accent);
    font-size: 13px;
}

.video-proof-embed {
    width: 100%;
    max-width: 360px;
    justify-self: end;
}

.video-proof-embed .tiktok-embed {
    width: 100%;
    min-width: 0 !important;
    max-width: 100% !important;
    margin: 0 !important;
    border-radius: 8px;
    overflow: hidden;
}

.intent-section {
    color: #fff;
    background:
        linear-gradient(135deg, rgba(15, 107, 255, 0.18), transparent 36%),
        #111318;
}

.intent-grid,
.split-section {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 28px;
}

.intent-grid h2,
.split-section h2,
.article-grid h2 {
    margin: 0 0 14px;
    font-size: 30px;
    line-height: 1.15;
    letter-spacing: 0;
}

.intent-grid p {
    margin: 0;
    color: rgba(255, 255, 255, 0.80);
    font-size: 18px;
    line-height: 1.7;
}

.keyword-panel {
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.09);
}

.keyword-panel h2 {
    font-size: 22px;
}

.keyword-panel ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.keyword-panel li {
    padding: 8px 10px;
    border-radius: 8px;
    color: #111318;
    font-weight: 900;
    background: #fff;
}

.stack-list,
.comparison-list,
.faq {
    display: grid;
    gap: 12px;
}

.stack-list p,
.comparison-list article,
.article-grid article,
.panel,
.faq details {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 10px 26px rgba(20, 31, 55, 0.06);
}

.stack-list p,
.comparison-list article,
.article-grid article,
.panel {
    padding: 22px;
}

.stack-list p,
.comparison-list p,
.article-grid p,
.panel p,
.panel li,
.faq p {
    color: var(--muted);
    line-height: 1.65;
}

.comparison-list h3 {
    margin: 0 0 8px;
    font-size: 20px;
    letter-spacing: 0;
}

.comparison-list p,
.article-grid p,
.panel p {
    margin: 0;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

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

.tip-grid p {
    margin: 0;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent-2);
    border-radius: 8px;
    color: var(--muted);
    line-height: 1.65;
    background: var(--panel);
    box-shadow: 0 10px 26px rgba(20, 31, 55, 0.05);
}

.panel h2,
.panel h3 {
    margin: 0 0 12px;
    font-size: 22px;
    line-height: 1.25;
    letter-spacing: 0;
}

.panel ul,
.panel ol {
    margin: 0;
    padding-left: 20px;
}

.faq details {
    padding: 18px 20px;
}

.faq summary {
    cursor: pointer;
    font-weight: 900;
}

.faq p {
    margin: 12px 0 0;
}

.related {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.related a {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #384152;
    font-weight: 800;
    text-decoration: none;
    background: #fff;
    box-shadow: 0 8px 20px rgba(20, 31, 55, 0.05);
}

.guide-note {
    max-width: 760px;
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.65;
}

.mobile-store {
    display: none;
}

.theme-anime {
    --accent: #d94c98;
    --accent-2: #6c5cff;
}

.theme-animals,
.theme-beginner,
.theme-learn-to-draw {
    --accent: #078260;
    --accent-2: #0f6bff;
}

.theme-photo-to-sketch,
.theme-pencil-sketch,
.theme-sketches {
    --accent: #3e546f;
    --accent-2: #b87922;
}

.theme-projector,
.theme-ar,
.theme-ar-drawing,
.theme-camera-lucida {
    --accent: #0f6bff;
    --accent-2: #00a884;
}

.theme-coloring,
.theme-doodle,
.theme-step-by-step {
    --accent: #ee5b2d;
    --accent-2: #0f6bff;
}

@media (max-width: 920px) {
    body {
        padding-bottom: 82px;
    }

    .nav-inner {
        min-height: 64px;
    }

    .nav .button {
        display: none;
    }

    .hero {
        padding-top: 42px;
    }

    .hero-grid,
    .video-proof-grid,
    .video-proof-links,
    .intent-grid,
    .split-section,
    .article-grid,
    .tip-grid,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .showcase {
        min-height: auto;
    }

    h1 {
        max-width: 100%;
        font-size: 34px;
        line-height: 1.05;
    }

    .intent-grid h2,
    .split-section h2,
    .article-grid h2 {
        font-size: 26px;
    }

    .lead {
        font-size: 18px;
    }

    .video-proof-copy {
        text-align: center;
    }

    .video-proof-copy h2,
    .video-proof-copy p:not(.eyebrow) {
        max-width: 100%;
    }

    .video-proof-embed {
        justify-self: center;
    }

    .visual-badges {
        position: static;
        border-width: 1px 0 0;
        border-radius: 0;
        background: #fff;
    }

    .visual-badges span {
        flex: 1 1 130px;
        text-align: center;
    }

    .mobile-store {
        position: fixed;
        right: 14px;
        bottom: 14px;
        left: 14px;
        z-index: 20;
        display: flex;
        min-height: 58px;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        color: #fff;
        font-weight: 950;
        text-decoration: none;
        background: linear-gradient(135deg, var(--accent), #004bd6);
        box-shadow: 0 14px 34px rgba(15, 107, 255, 0.36);
    }
}