.scb-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.9fr);
    gap: 36px;
    align-items: center;
    margin: 0 0 18px;
    padding: 40px 36px;
    background:
        radial-gradient(1200px 400px at 10% -20%, rgba(62, 143, 166, 0.3), transparent 55%),
        linear-gradient(160deg, #151e20 0%, #0f1416 100%);
    color: #f4f6f7;
    border-radius: 24px;
    overflow: hidden;
}

.scb-hero h1 {
    margin: 0 0 12px;
    font-size: clamp(1.7rem, 4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.scb-hero-copy p {
    margin: 0;
    max-width: 34rem;
    color: #c5ced0;
    font-size: 1.05rem;
}

.scb-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.scb-hero .scb-btn {
    padding: 13px 24px;
    border-radius: 999px;
    box-shadow: 0 10px 24px rgba(19, 128, 152, 0.35);
}

.scb-btn-ghost {
    display: inline-block;
    padding: 12px 22px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}

.scb-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

.scb-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.scb-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: #c5ced0;
    font-size: 0.85rem;
}

.scb-stat b {
    color: #fff;
    font-size: 1.3rem;
    letter-spacing: -0.03em;
}

.scb-hero-board {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    aspect-ratio: 1;
    width: 100%;
    max-width: 340px;
    margin-left: auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
    transform: rotate(-6deg);
}

.scb-hero-sq {
    display: grid;
    place-items: center;
    background: #e8d9b8;
}

.scb-hero-sq-dark {
    background: #3e616b;
}

.scb-hero-piece {
    font-size: clamp(18px, 3.6vw, 30px);
    font-style: normal;
    line-height: 1;
}

.scb-hero-piece-white {
    color: #fbf8f1;
    text-shadow:
        1px 0 0 #243135,
        -1px 0 0 #243135,
        0 1px 0 #243135,
        0 -1px 0 #243135;
}

.scb-hero-piece-black {
    color: #161e20;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.18);
}

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

.scb-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--scb-card);
    border-radius: 20px;
    color: var(--scb-text);
    text-decoration: none;
    box-shadow: 0 1px 0 rgba(18, 22, 20, 0.05);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.scb-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(18, 22, 20, 0.12);
}

.scb-panel-wide {
    grid-column: 1 / -1;
    flex-direction: row-reverse;
    align-items: stretch;
}

.scb-panel-wide:nth-child(even) {
    flex-direction: row;
}

.scb-panel-media {
    display: block;
    aspect-ratio: 16 / 9;
    background-color: #151e20;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.scb-panel-wide .scb-panel-media {
    flex: 0 0 46%;
    aspect-ratio: auto;
    min-height: 240px;
}

.scb-panel-play,
.scb-panel-motifs {
    transition: none;
}

.scb-panel-motifs {
    grid-column: 1 / -1;
}

.scb-panel-play:hover,
.scb-panel-motifs:hover {
    transform: none;
    box-shadow: 0 1px 0 rgba(18, 22, 20, 0.05);
}

.scb-panel-media-analysis {
    background-image: url("../images/panel-analysis.svg");
}

.scb-panel-media-play {
    background-image: url("../images/hero-cover.svg");
}

.scb-panel-media-drills {
    background-image: url("../images/panel-drills.svg");
}

.scb-panel-media-classics {
    background-image: url("../images/panel-classics.svg");
}

.scb-panel-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 22px 22px 24px;
}

.scb-panel-wide .scb-panel-body {
    justify-content: center;
    padding: 28px 32px;
}

.scb-panel-title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.scb-panel-wide .scb-panel-title {
    font-size: 1.5rem;
}

.scb-panel-text {
    margin: 0;
    color: var(--scb-muted);
    font-size: 0.97rem;
}

.scb-panel-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}

.scb-panel-list span {
    display: flex;
    gap: 10px;
    font-size: 0.95rem;
}

.scb-play-label {
    margin: 10px 0 0;
    color: var(--scb-muted);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scb-play-times,
.scb-play-opp,
.scb-play-kind {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.scb-time,
.scb-kind {
    padding: 9px 14px;
    border: 1px solid rgba(18, 22, 20, 0.1);
    border-radius: 999px;
    background: #fff;
    color: var(--scb-text);
    font: 600 0.92rem/1.2 inherit;
    cursor: pointer;
}

.scb-time:hover,
.scb-kind:hover {
    border-color: rgba(19, 128, 152, 0.35);
}

.scb-time.is-active,
.scb-kind.is-active {
    border-color: transparent;
    background: var(--scb-accent);
    color: #fff;
}

.scb-panel-play .scb-tc-matrix {
    margin-top: 2px;
}

.scb-panel-play .scb-tc-cell {
    min-height: 40px;
    border-radius: 8px;
    padding: 0;
}

.scb-play-note {
    margin: 4px 0 0;
    color: var(--scb-muted);
    font-size: 0.9rem;
}

.scb-play-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.scb-panel-play .scb-btn {
    padding: 12px 22px;
    border-radius: 999px;
}

.scb-panel-motifs .scb-panel-body {
    justify-content: center;
    padding: 24px 22px;
}

.scb-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.scb-chip {
    padding: 7px 13px;
    border-radius: 999px;
    background: rgba(19, 128, 152, 0.1);
    color: var(--scb-accent-hover, #0c5c6d);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}

a.scb-chip:hover {
    background: var(--scb-accent);
    color: #fff;
}

.scb-chip-more {
    background: rgba(18, 22, 20, 0.06);
    color: var(--scb-muted);
}

.scb-panel-list span::before {
    content: "";
    flex: 0 0 8px;
    height: 8px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--scb-accent);
}

@media (max-width: 860px) {
    .scb-hero {
        grid-template-columns: 1fr;
        padding: 28px 22px;
        gap: 26px;
    }

    .scb-hero-board {
        max-width: 260px;
        margin: 0 auto;
        transform: none;
    }

    .scb-panels {
        grid-template-columns: 1fr;
    }

    .scb-panel-wide,
    .scb-panel-wide:nth-child(even) {
        flex-direction: column;
    }

    .scb-panel-wide .scb-panel-media {
        flex: none;
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .scb-panel-wide .scb-panel-body {
        padding: 22px;
    }
}

@media (max-width: 360px) {
    .scb-hero {
        padding: 22px 16px;
        border-radius: 18px;
    }

    .scb-panel-body {
        padding: 18px 16px 20px;
    }
}