.btn-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 38px;
}

.btn {
    min-width: 142px;
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 20px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    color: var(--txt);
    background: rgba(255, 255, 255, 0.07);
    font-weight: 850;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: transform 0.24s var(--ease-smooth), border-color 0.24s var(--ease-smooth), background-color 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth);
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.16) 45%, transparent 68%);
    opacity: 0;
    transform: translateX(-60%);
    transition: opacity 0.24s var(--ease-smooth), transform 0.48s var(--ease-smooth);
}

.btn:hover::before {
    opacity: 1;
    transform: translateX(60%);
}

.btn > * {
    position: relative;
    z-index: 1;
}

.btn i {
    color: currentColor;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: rgba(255, 255, 255, 0.11);
}

.btn:active,
.link-card:active {
    transform: translateY(0) scale(0.985);
}

.btn-primary {
    border-color: color-mix(in srgb, var(--acc1) 55%, var(--border-strong));
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.34), rgba(54, 209, 220, 0.16));
    box-shadow: 0 10px 24px rgba(124, 92, 255, 0.14);
}

.btn-primary:hover {
    border-color: var(--acc2);
    box-shadow: 0 12px 26px rgba(124, 92, 255, 0.2);
}

body.light-mode .btn {
    background: rgba(25, 26, 43, 0.05);
}

body.light-mode .btn:hover {
    background: rgba(25, 26, 43, 0.09);
}

.compact-section {
    padding: 38px 0;
}

.last-section {
    padding-bottom: 62px;
}

.section-head {
    max-width: 680px;
    margin: 0 auto 20px;
    text-align: center;
}

.section-head h2,
.panel-card h2 {
    color: var(--txt);
    font-size: clamp(2rem, 4.5vw, 3.7rem);
    font-weight: 950;
    letter-spacing: -0.035em;
    line-height: 1;
}

.section-head p,
.panel-card p,
.feature-card p,
.team-card p,
.link-card span {
    color: var(--sub);
}

.section-head p {
    margin-top: 10px;
    font-size: 1.02rem;
}

.feature-grid,
.team-grid,
.link-grid,
.split-section {
    display: grid;
    gap: 14px;
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.team-grid,
.link-grid,
.split-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.panel-card,
.team-card,
.link-card,
.gallery-item {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    box-shadow: var(--shadow);
    contain: layout paint;
}

.feature-card,
.panel-card,
.link-card {
    padding: 20px;
}

.feature-card {
    min-height: 178px;
    transition: transform 0.24s var(--ease-smooth), border-color 0.24s var(--ease-smooth), background-color 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth);
}

.feature-card h3,
.team-card h3,
.link-card strong {
    color: var(--txt);
}

.feature-card h3 {
    margin: 8px 0;
    font-size: 1.12rem;
}

.feature-card p,
.panel-card p,
.link-card span {
    font-size: 0.96rem;
}

.card-kicker {
    display: inline-flex;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.feature-card:hover,
.panel-card:hover,
.team-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: color-mix(in srgb, var(--surface-2) 92%, transparent);
    box-shadow: var(--shadow-hover);
}

.feature-card:hover .card-kicker,
.panel-card:hover .card-kicker {
    color: var(--muted);
}

.split-section {
    padding: 26px 0 38px;
}

.panel-card {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.24s var(--ease-smooth), border-color 0.24s var(--ease-smooth), background-color 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth);
}

.panel-card p {
    margin-top: 18px;
    font-size: 1.04rem;
}

.team-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    user-select: none;
    -webkit-user-select: none;
    transition: transform 0.24s var(--ease-smooth), border-color 0.24s var(--ease-smooth), background-color 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth);
}

.team-card[hidden] {
    display: none;
}

.team-card img {
    width: 64px;
    height: 64px;
    flex: 0 0 64px;
    border-radius: 18px;
    object-fit: cover;
    -webkit-user-drag: none;
    transition: transform 0.26s var(--ease-smooth), box-shadow 0.26s var(--ease-smooth);
}

.team-card:hover img {
    transform: scale(1.045);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--acc1) 28%, transparent);
}

.team-card h3 {
    font-size: 1.1rem;
}

.team-card p {
    margin-top: 2px;
    font-size: 0.92rem;
}

.link-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-decoration: none;
    user-select: none;
    -webkit-user-select: none;
    transition: transform 0.24s var(--ease-smooth), border-color 0.24s var(--ease-smooth), background-color 0.24s var(--ease-smooth), box-shadow 0.24s var(--ease-smooth);
}

.link-card strong {
    transition: transform 0.24s var(--ease-smooth), color 0.24s var(--ease-smooth);
}

.link-card:hover,
.gallery-item:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: var(--surface-2);
    box-shadow: var(--shadow-hover);
}

.link-card:hover strong {
    color: color-mix(in srgb, var(--txt) 86%, var(--acc2));
    transform: translateX(2px);
}