/* ─── Section ─────────────────────────────────────────────── */
.certifications-section {
    padding: 5.5rem 3rem 3.5rem;
    background-color: var(--cream);
}

.certifications-section .section-header {
    max-width: 1100px;
    margin: 0 auto 3rem;
}

.cer-ti{
    margin-left: -13%;
}

.cer-and{
    font-family: var(--font-body);
     font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 400;
    color: var(--dark);
    line-height: 1;
}


/* ─── Strip ───────────────────────────────────────────────── */
/* full-bleed: breaks out of the section's own padding so the strip
   (and its edge shadow) reaches the true viewport edge, while the
   section-header above stays comfortably inset */
.cert-strip {
    position: relative;
    width: 100vw;
    margin-left: calc(50% - 50vw);
}

.cert-strip::before,
.cert-strip::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3rem;
    pointer-events: none;
    z-index: 2;
}

.cert-strip::before {
    left: 0;
    background: linear-gradient(to right, var(--cream), transparent);
}

.cert-strip::after {
    right: 0;
    background: linear-gradient(to left, var(--cream), transparent);
}



.cert-track {
    --cert-width: min(500px, calc(100vw - 15rem));

    display: flex;
    gap: 6rem;
    list-style: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 1rem calc((100vw - var(--cert-width)) / 2) 1.5rem;
    margin: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}


.cert-track::-webkit-scrollbar {
    display: none;
}

.cert-track:focus-visible {
    outline: 2px solid var(--dark);
    outline-offset: 6px;
}


/* ─── Tile ────────────────────────────────────────────────── */
/* sized so one certificate dominates the viewport with only a sliver
   of its neighbors peeking in on either side, matching the strip's
   own edge gutter (updated alongside it at each breakpoint below) */
.cert-tile {
    flex: 0 0 auto;
    width: var(--cert-width);
    scroll-snap-align: center;
}

.cert-tile-btn {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    padding: 0;
    border: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--cream-2);
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
    transition: box-shadow 0.35s ease;
}

.cert-tile-btn:hover,
.cert-tile-btn:focus-visible {
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.12);
}

.cert-tile-btn:focus-visible {
    outline: 2.5px solid var(--dark);
    outline-offset: 4px;
}

.cert-tile-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.cert-tile-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    fill: none;
    stroke: rgb(102, 101, 101);
    stroke-width: 1;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cert-tile-frame path {
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
    transition: stroke-dashoffset 0.4s ease;
}

.cert-tile-btn:hover .cert-tile-frame path,
.cert-tile-btn:focus-visible .cert-tile-frame path {
    stroke-dashoffset: 0;
}

.cert-tile-frame path:nth-child(1) { transition-delay: 0s; }
.cert-tile-frame path:nth-child(2) { transition-delay: 0.05s; }
.cert-tile-frame path:nth-child(3) { transition-delay: 0.1s; }
.cert-tile-frame path:nth-child(4) { transition-delay: 0.15s; }

.cert-caption {
    margin-top: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.cert-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark);
    line-height: 1.3;
    text-transform: none;
}

.cert-meta {
    font-size: 0.76rem;
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}


/* ─── Dots ────────────────────────────────────────────────── */
.cert-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 2rem;
}

.cert-dot {
    width: 0.65rem;
    height: 0.65rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.18);
    cursor: pointer;
    transition: background-color 0.25s ease, transform 0.25s ease;
}

.cert-dot:hover {
    background-color: rgba(0, 0, 0, 0.4);
}

.cert-dot:focus-visible {
    outline: 2px solid var(--dark);
    outline-offset: 3px;
}

.cert-dot.is-active {
    background-color: var(--dark);
    transform: scale(1.4);
}


/* ─── Lightbox ────────────────────────────────────────────── */
body.cert-lightbox-open {
    overflow: hidden;
}

.cert-lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.cert-lightbox[hidden] {
    display: none;
}

.cert-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.78);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.cert-lightbox-panel {
    position: relative;
    max-width: min(90vw, 760px);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--cream);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem 2rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transform: scale(0.94) translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.cert-lightbox.is-open .cert-lightbox-backdrop {
    opacity: 1;
}

.cert-lightbox.is-open .cert-lightbox-panel {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.cert-lightbox-img {
    max-width: 100%;
    max-height: 65vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    display: block;
}

.cert-lightbox-caption {
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    text-align: center;
}

.cert-lightbox-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark);
    text-transform: none;
}

.cert-lightbox-meta {
    font-size: 0.8rem;
    color: var(--muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.cert-lightbox-close {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: none;
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--dark);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.cert-lightbox-close svg {
    width: 14px;
    height: 14px;
    display: block;
}

.cert-lightbox-close:hover,
.cert-lightbox-close:focus-visible {
    background-color: rgba(39, 39, 39, 0.12);
}

.cert-lightbox-close:focus-visible {
    outline: 2px solid var(--dark);
    outline-offset: 3px;
}


/* ─── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .cert-tile-btn,
    .cert-tile-frame path,
    .cert-dot,
    .cert-lightbox-backdrop,
    .cert-lightbox-panel,
    .cert-lightbox-close {
        transition: none;
        transition-delay: 0s;
    }
}