/* About / Certificates — styled to match the approved About page language. */
.about-page .sf-certifications {
    position: relative;
    background: #151619;
    color: #F5F2EA;
    padding: clamp(88px, 9vw, 148px) clamp(20px, 5.2vw, 90px);
    overflow: hidden;
}

.about-page .sf-certifications::before {
    content: "06";
    position: absolute;
    right: clamp(10px, 2vw, 24px);
    top: clamp(16px, 2vw, 30px);
    color: rgba(245, 242, 234, 0.04);
    font-family: "Instrument Serif", Georgia, serif;
    font-style: italic;
    font-size: clamp(90px, 12vw, 180px);
    line-height: 0.8;
    pointer-events: none;
}

.about-page .sf-certifications-container {
    position: relative;
    z-index: 1;
    max-width: 1390px;
    margin: 0 auto;
}

.about-page .sf-certifications-intro {
    display: grid;
    grid-template-columns: minmax(145px, 0.34fr) 1.66fr;
    gap: 5vw;
    align-items: start;
    margin: 0 0 clamp(42px, 5vw, 78px);
}

.about-page .sf-certifications-kicker {
    margin: 0;
    padding-top: 8px;
    color: #D8FF68;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.about-page .sf-certifications-heading-group {
    display: grid;
    gap: 24px;
}

.about-page .sf-certifications-intro h2 {
    margin: 0;
    color: #F5F2EA;
    font-size: clamp(56px, 7.5vw, 120px);
    font-weight: 600;
    line-height: 0.87;
    letter-spacing: -0.06em;
}

.about-page .sf-certifications-intro h2 em {
    display: block;
    color: #D8FF68;
    font-family: "Instrument Serif", Georgia, serif;
    font-style: italic;
    font-weight: 400;
}

.about-page .sf-certifications-description {
    max-width: 640px;
    margin: 0;
    color: rgba(245, 242, 234, 0.74);
    font-size: 15px;
    line-height: 1.75;
}

.about-page .sf-certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2vw, 30px);
}

.about-page .sf-certificate-card {
    --cert-accent: rgba(216, 255, 104, 0.92);
    --cert-soft: rgba(216, 255, 104, 0.18);
    --cert-glow: rgba(216, 255, 104, 0.28);
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
    border-radius: 22px;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.about-page .sf-certificate-card:nth-child(2) {
    --cert-accent: rgba(117, 159, 255, 0.95);
    --cert-soft: rgba(117, 159, 255, 0.16);
    --cert-glow: rgba(117, 159, 255, 0.24);
}

.about-page .sf-certificate-card:nth-child(3) {
    --cert-accent: rgba(255, 188, 116, 0.95);
    --cert-soft: rgba(255, 188, 116, 0.16);
    --cert-glow: rgba(255, 188, 116, 0.22);
}

.about-page .sf-certificate-card::before,
.about-page .sf-certificate-card::after {
    content: "";
    position: absolute;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.about-page .sf-certificate-card::before {
    inset: auto -18% -28% auto;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cert-glow) 0%, rgba(255, 255, 255, 0) 68%);
    opacity: 0.55;
    transform: translate3d(0, 0, 0) scale(0.94);
    z-index: 0;
}

.about-page .sf-certificate-card::after {
    top: 0;
    left: 18px;
    right: 18px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--cert-accent) 22%, rgba(255,255,255,0.85) 50%, var(--cert-accent) 78%, transparent 100%);
    opacity: 0.4;
    z-index: 1;
}

.about-page .sf-certificate-card:hover,
.about-page .sf-certificate-card:focus-within {
    transform: translateY(-8px);
    border-color: color-mix(in srgb, var(--cert-accent) 45%, white 10%);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
}

.about-page .sf-certificate-card:hover::before,
.about-page .sf-certificate-card:focus-within::before {
    opacity: 0.9;
    transform: translate3d(-12px, -12px, 0) scale(1.06);
}

.about-page .sf-certificate-card:hover::after,
.about-page .sf-certificate-card:focus-within::after {
    opacity: 0.8;
}

.about-page .sf-certificate-preview {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 34px 24px;
    background:
        radial-gradient(circle at 16% 18%, rgba(255,255,255,0.75) 0%, rgba(255,255,255,0) 18%),
        radial-gradient(circle at 82% 84%, var(--cert-soft) 0%, rgba(255,255,255,0) 28%),
        linear-gradient(180deg, #ECEAE4 0%, #E3E0D8 100%);
    text-decoration: none;
    outline-offset: -5px;
    overflow: hidden;
    z-index: 1;
}

/* Editorial lighting: one soft champagne-white beam, no decorative sparkles. */
.about-page .sf-certificate-preview::before,
.about-page .sf-certificate-preview::after {
    content: "";
    position: absolute;
    pointer-events: none;
    z-index: 2; /* Above the image, below the View PDF button. */
}

.about-page .sf-certificate-preview::before {
    top: -18%;
    bottom: -18%;
    left: -70%;
    width: 58%;
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 249, 230, 0.08) 25%,
        rgba(255, 244, 210, 0.27) 39%,
        rgba(255, 254, 249, 0.69) 50%,
        rgba(255, 244, 214, 0.31) 61%,
        rgba(255, 249, 230, 0.08) 77%,
        rgba(255, 255, 255, 0) 100%);
    transform: translate3d(-140%, 0, 0) skewX(-17deg);
    opacity: 0;
    animation: sfCertificateEditorialLight 6.8s cubic-bezier(.22, .54, .38, .98) infinite;
    will-change: transform, opacity;
}

/* Static pearly reflection: a little depth, not a second moving effect. */
.about-page .sf-certificate-preview::after {
    inset: 0;
    background: linear-gradient(142deg,
        rgba(255, 252, 241, 0.12) 0%,
        transparent 19%,
        transparent 77%,
        rgba(255, 242, 207, 0.10) 100%);
    opacity: .55;
    transition: opacity .45s ease;
}

/* Keep all certificate shines in sync for a calmer, more premium rhythm. */
.about-page .sf-certificate-card .sf-certificate-preview::before {
    animation-delay: 0s;
}

.about-page .sf-certificate-card:hover .sf-certificate-preview::before,
.about-page .sf-certificate-card:focus-within .sf-certificate-preview::before {
    animation-duration: 3.9s;
}

.about-page .sf-certificate-card:hover .sf-certificate-preview::after,
.about-page .sf-certificate-card:focus-within .sf-certificate-preview::after {
    opacity: .8;
}

.about-page .sf-certificate-preview img {
    position: relative;
    z-index: 1;
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 390px;
    aspect-ratio: 595 / 842;
    object-fit: contain;
    border: 1px solid #DAD6CC;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.1);
    transition: transform 0.42s ease, box-shadow 0.42s ease;
}

.about-page .sf-certificate-card:hover .sf-certificate-preview img,
.about-page .sf-certificate-card:focus-within .sf-certificate-preview img {
    transform: scale(1.025);
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.16);
}

.about-page .sf-certificate-preview-badge {
    position: absolute;
    right: 19px;
    bottom: 19px;
    z-index: 3;
    display: inline-flex;
    gap: 12px;
    align-items: center;
    color: #F5F2EA;
    background: rgba(21, 22, 25, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    padding: 12px 15px;
    font-size: 10px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.11em;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.about-page .sf-certificate-card:hover .sf-certificate-preview-badge,
.about-page .sf-certificate-card:focus-within .sf-certificate-preview-badge {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--cert-accent) 46%, white 8%);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.about-page .sf-certificate-preview-badge span {
    font-size: 17px;
}

.about-page .sf-certificate-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: clamp(24px, 2.2vw, 32px);
}

.about-page .sf-certificate-index {
    color: var(--cert-accent);
    font-size: 10px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0.14em;
}

.about-page .sf-certificate-index span {
    margin: 0 7px;
    opacity: 0.6;
}

.about-page .sf-certificate-card h3 {
    margin: 0;
    color: #F5F2EA;
    font-size: clamp(24px, 2.2vw, 34px);
    font-weight: 600;
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.about-page .sf-certificate-card-content p {
    margin: 0 0 8px;
    color: rgba(245, 242, 234, 0.72);
    font-size: 14px;
    line-height: 1.7;
}

.about-page .sf-certificate-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding-bottom: 10px;
    color: #F5F2EA;
    border-bottom: 1px solid color-mix(in srgb, var(--cert-accent) 82%, white 6%);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: 0.12em;
    text-decoration: none;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.about-page .sf-certificate-link span {
    font-size: 18px;
    line-height: 1;
    color: var(--cert-accent);
}

.about-page .sf-certificate-link:hover,
.about-page .sf-certificate-link:focus-visible {
    color: var(--cert-accent);
    border-color: color-mix(in srgb, var(--cert-accent) 88%, white 4%);
}

@keyframes sfCertificateEditorialLight {
    0%, 16% {
        transform: translate3d(-140%, 0, 0) skewX(-17deg);
        opacity: 0;
    }
    22% { opacity: .9; }
    46% { opacity: 1; }
    59%, 100% {
        transform: translate3d(360%, 0, 0) skewX(-17deg);
        opacity: 0;
    }
}

@media (max-width: 1050px) {
    .about-page .sf-certifications-intro {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .about-page .sf-certifications-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-page .sf-certificate-preview img {
        max-height: 330px;
    }
}

@media (max-width: 640px) {
    .about-page .sf-certifications {
        padding: 76px 20px 86px;
    }

    .about-page .sf-certifications-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }

    .about-page .sf-certificate-preview {
        padding: 24px 34px;
    }

    .about-page .sf-certificate-preview img {
        max-height: 340px;
    }

    .about-page .sf-certificate-card-content {
        padding: 26px;
    }

    .about-page .sf-certifications-intro h2 {
        font-size: clamp(44px, 11vw, 70px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .about-page .sf-certificate-card,
    .about-page .sf-certificate-link,
    .about-page .sf-certificate-preview img,
    .about-page .sf-certificate-preview-badge {
        transition: none;
    }

    .about-page .sf-certificate-card:hover {
        transform: none;
    }

    .about-page .sf-certificate-preview::before,
    .about-page .sf-certificate-preview::after {
        animation: none;
    }
}


/* =========================================================
   OCT 2026 / FIVE-CREDENTIAL LAYOUT
   Three cards on row one, two centred cards on row two.
   Existing visual language is preserved.
========================================================= */

@media (min-width: 1051px) {
    .about-page .sf-certifications-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    .about-page .sf-certificate-card {
        grid-column: span 2;
    }

    .about-page .sf-certificate-card:nth-child(4) {
        grid-column: 2 / span 2;
    }

    .about-page .sf-certificate-card:nth-child(5) {
        grid-column: 4 / span 2;
    }
}

/* New credential accents stay within the approved palette. */
.about-page .sf-certificate-card:nth-child(4) {
    --cert-accent: rgba(228, 196, 103, 0.96);
    --cert-soft: rgba(228, 196, 103, 0.15);
    --cert-glow: rgba(228, 196, 103, 0.22);
}

.about-page .sf-certificate-card:nth-child(5) {
    --cert-accent: rgba(100, 203, 174, 0.96);
    --cert-soft: rgba(100, 203, 174, 0.15);
    --cert-glow: rgba(100, 203, 174, 0.22);
}

/* At tablet width the last card spans both columns so the composition
   remains balanced rather than leaving an accidental empty cell. */
@media (min-width: 641px) and (max-width: 1050px) {
    .about-page .sf-certificate-card:nth-child(5) {
        grid-column: 1 / -1;
        width: calc(50% - 10px);
        justify-self: center;
    }
}

@media (max-width: 640px) {
    .about-page .sf-certificate-card:nth-child(5) {
        width: auto;
        justify-self: stretch;
    }
}