/* About / Expertise — split layout with floating glass-card collage */
.dc-sl-about { background: var(--dc-sl-white); }
.dc-sl-about__grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.dc-sl-about__collage {
    position: relative;
    min-height: 520px;
    perspective: 900px;
}

.dc-sl-about__card-main {
    position: relative;
    z-index: 3;
    width: 82%;
    margin-left: auto;
    border-radius: 20px;
    overflow: hidden;
    background: var(--dc-sl-white);
    box-shadow: 0 24px 64px rgba(11, 31, 26, 0.1), 0 0 0 1px rgba(11, 31, 26, 0.04);
    transform: rotate(-1.5deg);
    transition: transform 0.5s var(--dc-sl-ease-out);
}
.dc-sl-about__card-main:hover { transform: rotate(0deg) scale(1.01); }
.dc-sl-about__card-main img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.dc-sl-about__card-bar {
    position: absolute;
    inset: auto 0 0 0;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.dc-sl-about__card-bar-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dc-sl-accent);
    flex-shrink: 0;
}
.dc-sl-about__card-bar-text {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--dc-sl-text);
}
.dc-sl-about__card-bar-text strong { color: var(--dc-sl-primary); }

.dc-sl-about__card-secondary,
.dc-sl-about__card-tertiary {
    position: absolute;
    overflow: hidden;
    background: var(--dc-sl-white);
}
.dc-sl-about__card-secondary {
    top: 10px;
    left: 0;
    z-index: 4;
    width: 42%;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(11, 31, 26, 0.12), 0 0 0 1px rgba(11, 31, 26, 0.04);
    transform: rotate(2deg) translateZ(20px);
    animation: dcSlAboutFloat1 5s ease-in-out infinite;
}
.dc-sl-about__card-secondary img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
}
.dc-sl-about__card-tertiary {
    bottom: 30px;
    left: -10px;
    z-index: 2;
    width: 28%;
    border-radius: 14px;
    box-shadow: 0 12px 36px rgba(11, 31, 26, 0.1), 0 0 0 1px rgba(11, 31, 26, 0.04);
    transform: rotate(-3deg);
    animation: dcSlAboutFloat2 6s ease-in-out 1s infinite;
}
.dc-sl-about__card-tertiary img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.dc-sl-about__float-stat {
    position: absolute;
    bottom: -10px;
    right: -5px;
    z-index: 5;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 14px;
    padding: 0.875rem 1.25rem;
    box-shadow: 0 12px 40px rgba(11, 31, 26, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: rotate(1deg);
    animation: dcSlAboutFloat3 4.5s ease-in-out 0.5s infinite;
}
.dc-sl-about__float-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--dc-sl-primary);
    color: var(--dc-sl-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.dc-sl-about__float-stat-icon svg { width: 20px; height: 20px; }
.dc-sl-about__float-stat-number {
    font-family: var(--dc-sl-font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dc-sl-text);
    line-height: 1.1;
}
.dc-sl-about__float-stat-label {
    font-size: 0.6875rem;
    color: var(--dc-sl-text-muted);
    font-weight: 500;
}

.dc-sl-about__float-badge {
    position: absolute;
    top: -15px;
    right: 10%;
    z-index: 5;
    background: var(--dc-sl-primary);
    color: var(--dc-sl-white);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    box-shadow: 0 8px 24px rgba(11, 31, 26, 0.18);
    transform: rotate(2.5deg);
    animation: dcSlAboutFloat2 5s ease-in-out 2s infinite;
}

.dc-sl-about__float-tag {
    position: absolute;
    top: 45%;
    left: -20px;
    z-index: 5;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    box-shadow: 0 8px 24px rgba(11, 31, 26, 0.08), 0 0 0 1px rgba(11, 31, 26, 0.04);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dc-sl-text);
    transform: rotate(-2deg);
    animation: dcSlAboutFloat1 5.5s ease-in-out 1.5s infinite;
}
.dc-sl-about__float-tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--dc-sl-accent);
    flex-shrink: 0;
}

.dc-sl-about__deco-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}
.dc-sl-about__deco-circle--1 {
    width: 180px;
    height: 180px;
    top: -40px;
    left: 20%;
    background: rgba(132, 183, 143, 0.08);
    filter: blur(40px);
}
.dc-sl-about__deco-circle--2 {
    width: 120px;
    height: 120px;
    bottom: -30px;
    right: 15%;
    background: rgba(11, 31, 26, 0.04);
    filter: blur(30px);
}

@keyframes dcSlAboutFloat1 {
    0%, 100% { transform: rotate(2deg) translateY(0); }
    50%      { transform: rotate(2deg) translateY(-8px); }
}
@keyframes dcSlAboutFloat2 {
    0%, 100% { transform: rotate(-3deg) translateY(0); }
    50%      { transform: rotate(-3deg) translateY(-6px); }
}
@keyframes dcSlAboutFloat3 {
    0%, 100% { transform: rotate(1deg) translateY(0); }
    50%      { transform: rotate(1deg) translateY(-10px); }
}

.dc-sl-about__heading {
    font-family: var(--dc-sl-font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--dc-sl-text);
    margin: 0 0 1.5rem;
    letter-spacing: -0.015em;
}
.dc-sl-about__text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--dc-sl-text-secondary);
    margin: 0 0 2rem;
}
.dc-sl-about__text p { margin: 0 0 1rem; }
.dc-sl-about__text p:last-child { margin-bottom: 0; }

.dc-sl-about__features {
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem;
    display: grid;
    gap: 0.75rem;
}
.dc-sl-about__feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dc-sl-text);
}
.dc-sl-about__feature-check {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--dc-sl-accent);
    color: var(--dc-sl-white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}
.dc-sl-about__feature-check svg { width: 12px; height: 12px; }

@media (max-width: 1024px) {
    .dc-sl-about__grid { grid-template-columns: 1fr; gap: 3rem; }
    .dc-sl-about__collage { max-width: 520px; margin: 0 auto; min-height: 400px; }
    .dc-sl-about__float-tag { left: 0; }
    .dc-sl-about__float-badge { right: 5%; }
    .dc-sl-about__float-stat { right: 0; bottom: 0; }
}
@media (max-width: 640px) {
    .dc-sl-about__collage { min-height: 320px; }
    .dc-sl-about__card-main { width: 90%; }
    .dc-sl-about__card-secondary { width: 38%; top: 5px; }
    .dc-sl-about__card-tertiary { display: none; }
    .dc-sl-about__float-tag { display: none; }
    .dc-sl-about__float-stat { right: 0; bottom: -5px; padding: 0.625rem 0.875rem; }
    .dc-sl-about__float-stat-icon { width: 32px; height: 32px; }
    .dc-sl-about__float-stat-icon svg { width: 16px; height: 16px; }
    .dc-sl-about__float-stat-number { font-size: 1rem; }
}

.dc-sl-about__card-main--empty {
    aspect-ratio: 4 / 3;
    background: var(--dc-sl-light);
    display: flex;
    align-items: center;
    justify-content: center;
}
.dc-sl-about__card-main--empty svg {
    opacity: 0.15;
    color: var(--dc-sl-text-muted);
}