/* Homepage internship letter preview */
@import url("internship-experience-letter.css?v=4");

.home-cert-showcase {
    --cert-navy: #0c2d6b;
    --cert-gold: #c9a227;
    --cert-gold-light: #e8d48b;
    --font-cert-title: "Cinzel", "Cormorant Garamond", Georgia, serif;
    --border: rgba(15, 23, 42, 0.08);
    --text-muted: #64748b;
    padding: 2rem 0 2.5rem;
    margin: 0 0 1.5rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(238, 242, 255, 0.85) 100%);
    border: 1px solid rgba(99, 102, 241, 0.14);
    border-radius: 18px;
}

.home-cert-showcase .section__kicker {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6366f1;
}

.home-cert-showcase .section__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.35rem, 3vw, 1.65rem);
    line-height: 1.2;
    color: #0f172a;
}

.home-cert-showcase .section__lead {
    margin: 0 0 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.home-cert-showcase__grid {
    display: grid;
    gap: 2rem;
    align-items: center;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.home-cert-showcase__copy,
.home-cert-showcase__frame {
    min-width: 0;
    max-width: 100%;
}

@media (min-width: 900px) {
    .home-cert-showcase__grid {
        grid-template-columns: 1fr min(420px, 46%);
        gap: 2.5rem;
    }
}

.home-cert-showcase__copy .section__title {
    margin-bottom: 0.65rem;
}

.home-cert-showcase__bullets {
    margin: 0 0 1.35rem;
    padding: 0;
    list-style: none;
}

.home-cert-showcase__bullets li {
    position: relative;
    margin: 0.45rem 0;
    padding-left: 1.35rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1.45;
}

.home-cert-showcase__bullets li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #16a34a;
    font-weight: 800;
}

.home-cert-showcase__frame {
    position: relative;
    padding: 0.5rem;
    overflow: hidden;
    max-width: 100%;
}

.home-cert-showcase__label {
    margin: 0 0 0.65rem;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.home-cert-showcase__cert {
    transform: perspective(900px) rotateY(-4deg) rotateX(2deg);
    transform-origin: center center;
    filter: drop-shadow(0 20px 40px rgba(12, 45, 107, 0.18));
    transition: transform 0.35s ease, filter 0.35s ease;
}

.home-cert-showcase__frame:hover .home-cert-showcase__cert,
.home-cert-showcase__frame:focus-within .home-cert-showcase__cert {
    transform: perspective(900px) rotateY(0deg) rotateX(0deg);
    filter: drop-shadow(0 24px 48px rgba(12, 45, 107, 0.22));
}

@media (max-width: 899px) {
    .home-cert-showcase__cert {
        transform: none;
        filter: drop-shadow(0 14px 32px rgba(12, 45, 107, 0.14));
    }
}

/* Certificate document (shared with project pages) */
.home-cert-showcase .cert-doc {
    font-family: var(--font);
    width: 100%;
    max-width: 580px;
    margin-inline: auto;
}

.home-cert-showcase .cert-doc__sheet {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    background:
        radial-gradient(ellipse 90% 70% at 50% 0%, rgba(12, 45, 107, 0.05), transparent 55%),
        #ffffff;
    border: 2px solid var(--cert-gold);
    box-shadow:
        0 2px 0 var(--cert-gold-light) inset,
        0 12px 32px rgba(12, 45, 107, 0.12);
    padding: 0.65rem 1rem 0.85rem;
    text-align: center;
    overflow: hidden;
}

.home-cert-showcase .cert-doc__deco {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.home-cert-showcase .cert-doc__deco--tl {
    top: 0;
    left: 0;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--cert-navy) 55%, transparent 56%);
    clip-path: polygon(0 0, 100% 0, 0 100%);
    box-shadow: inset -3px -3px 0 var(--cert-gold);
}

.home-cert-showcase .cert-doc__deco--tl::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    width: 72px;
    height: 8px;
    background: var(--cert-gold);
    transform: rotate(-45deg);
    transform-origin: left top;
    opacity: 0.85;
}

.home-cert-showcase .cert-doc__deco--br {
    right: 0;
    bottom: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(315deg, var(--cert-navy) 62%, transparent 63%);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.home-cert-showcase .cert-doc__deco--br::before {
    content: "";
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
    border-right: 3px solid var(--cert-gold);
    border-bottom: 3px solid var(--cert-gold);
    opacity: 0.75;
}

.home-cert-showcase .cert-doc--internship .cert-doc__sheet {
    padding: 0.8rem 1rem 1rem;
}

.home-cert-showcase .cert-doc--internship .cert-doc__deco--tl {
    width: 52px;
    height: 52px;
}

.home-cert-showcase .cert-doc__corner-badge {
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.38rem 0.5rem 0.38rem 0.38rem;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--cert-navy) 0%, #1e3a8a 100%);
    border: 1px solid var(--cert-gold);
    box-shadow: 0 4px 14px rgba(12, 45, 107, 0.18);
    color: #fff;
    max-width: 6.25rem;
}

.home-cert-showcase .cert-doc__corner-badge-icon {
    flex-shrink: 0;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: var(--cert-gold);
    color: var(--cert-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68rem;
    font-weight: 800;
}

.home-cert-showcase .cert-doc__corner-badge-text {
    font-size: 0.5rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.2;
    text-align: left;
}

.home-cert-showcase .cert-doc--internship .cert-doc__footer {
    padding: 0.3rem 0.5rem 0.5rem 0.8rem;
}

.home-cert-showcase .cert-doc--internship .cert-doc__seal--learners {
    width: 58px;
    height: 58px;
    margin: 0 0 0.2rem 0.35rem;
}

.home-cert-showcase .cert-doc__header {
    position: relative;
    z-index: 1;
    margin: 0 auto 0.25rem;
    max-width: 360px;
}

.home-cert-showcase .cert-doc__logo {
    height: 38px;
    width: auto;
    margin: 0 auto 0.35rem;
    display: block;
}

.home-cert-showcase .cert-doc__header-tagline {
    margin: 0;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #475569;
    padding: 0.2rem 0;
    border-top: 1px solid rgba(12, 45, 107, 0.12);
    border-bottom: 1px solid rgba(12, 45, 107, 0.12);
}

.home-cert-showcase .cert-doc__credential {
    position: absolute;
    top: 0.55rem;
    right: 0.75rem;
    z-index: 2;
    text-align: right;
    max-width: 11rem;
}

.home-cert-showcase .cert-doc__credential-label {
    display: block;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 0.15rem;
}

.home-cert-showcase .cert-doc__credential-value {
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--cert-navy);
}

.home-cert-showcase .cert-doc__main {
    position: relative;
    z-index: 1;
    margin: 0 auto;
    max-width: 30rem;
    padding: 0 0.25rem;
}

.home-cert-showcase .cert-doc__title {
    margin: 0 0 0.2rem;
    font-family: var(--font-cert-title);
    font-size: clamp(0.95rem, 2.4vw, 1.22rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cert-navy);
    line-height: 1.25;
}

.home-cert-showcase .cert-doc--internship .cert-doc__title {
    letter-spacing: 0.08em;
}

.home-cert-showcase .cert-doc__title-rule {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin: 0 auto 0.35rem;
    max-width: 220px;
}

.home-cert-showcase .cert-doc__title-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cert-gold), transparent);
}

.home-cert-showcase .cert-doc__title-diamond {
    width: 7px;
    height: 7px;
    background: var(--cert-gold);
    transform: rotate(45deg);
    flex-shrink: 0;
}

.home-cert-showcase .cert-doc__presented {
    margin: 0 0 0.15rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cert-navy);
}

.home-cert-showcase .cert-doc__recipient {
    margin: 0 0 0.35rem;
    font-family: var(--font);
    font-size: clamp(1.15rem, 3vw, 1.45rem);
    font-weight: 700;
    color: var(--cert-navy);
}

.home-cert-showcase .cert-doc__body {
    margin: 0 0 0.3rem;
    font-size: 0.72rem;
    line-height: 1.45;
    color: #334155;
}

.home-cert-showcase .cert-doc__body strong {
    color: var(--cert-navy);
    font-weight: 700;
}

.home-cert-showcase .cert-doc__body-sub {
    margin: 0 0 0.2rem;
    font-size: 0.64rem;
    line-height: 1.4;
    color: #64748b;
    max-width: 26rem;
    margin-inline: auto;
}

.home-cert-showcase .cert-doc__period {
    margin: 0.15rem 0 0;
    font-size: 0.6rem;
    font-weight: 600;
    color: #94a3b8;
}

.home-cert-showcase .cert-doc__footer {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: end;
    gap: 0.35rem;
    margin-top: 0.2rem;
    padding: 0 0.35rem;
}

.home-cert-showcase .cert-doc__seal--learners {
    justify-self: start;
    width: 66px;
    height: 66px;
    border-radius: 50%;
    border: 3px double var(--cert-navy);
    background: radial-gradient(circle at 35% 30%, #fff 0%, #e8eef8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(12, 45, 107, 0.15);
}

.home-cert-showcase .cert-doc__seal-ring {
    font-size: 0.5rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cert-navy);
    text-align: center;
    line-height: 1.3;
    max-width: 72px;
}

.home-cert-showcase .cert-doc__seal--gold {
    justify-self: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 25%, #fff6d6 0%, var(--cert-gold) 45%, #8f6f14 100%);
    color: var(--cert-navy);
    font-size: 0.62rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(201, 162, 39, 0.45);
    border: 2px solid #fff;
}

.home-cert-showcase .cert-doc__signature {
    justify-self: end;
    align-self: end;
    padding: 0 0.25rem 0.15rem 0;
}

.home-cert-showcase .cert-doc__sign-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    min-width: 7.5rem;
    max-width: 9.5rem;
    line-height: 0;
}

.home-cert-showcase .cert-doc__sign-img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 2.5rem;
    height: auto;
    object-fit: contain;
    object-position: center bottom;
    margin: 0 0 -0.5rem;
}

.home-cert-showcase .cert-doc__sign-line {
    display: block;
    width: 100%;
    max-width: 6.75rem;
    height: 1px;
    margin: 0;
    background: linear-gradient(90deg, transparent, var(--cert-navy) 12%, var(--cert-navy) 88%, transparent);
    opacity: 0.55;
}

.home-cert-showcase .cert-doc__sign-role {
    margin: 0.08rem 0 0;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--cert-navy);
    line-height: 1.15;
}

@media (max-width: 640px) {
    .home-cert-showcase {
        padding: 1.25rem 0.85rem 1.5rem;
        overflow-x: clip;
    }

    .home-cert-showcase .section__lead {
        font-size: 0.9rem;
    }

    .home-cert-showcase__grid {
        gap: 1.25rem;
    }

    .home-cert-showcase__frame {
        padding: 0.15rem 0;
    }

    .home-cert-showcase .cert-doc {
        max-width: 100%;
    }

    .home-cert-showcase .cert-doc__sheet {
        padding: 0.5rem 0.55rem 0.65rem;
    }

    .home-cert-showcase .cert-doc--internship .cert-doc__sheet {
        padding: 0.55rem 0.6rem 0.75rem;
    }

    .home-cert-showcase .cert-doc__header {
        max-width: none;
        margin-top: 2.35rem;
        padding: 0 0.15rem;
    }

    .home-cert-showcase .cert-doc__logo {
        height: 30px;
    }

    .home-cert-showcase .cert-doc__header-tagline {
        font-size: 0.5rem;
        letter-spacing: 0.02em;
        line-height: 1.35;
        padding: 0.18rem 0.1rem;
    }

    .home-cert-showcase .cert-doc__corner-badge {
        top: 0.4rem;
        left: 0.4rem;
        max-width: calc(50% - 0.55rem);
        padding: 0.28rem 0.35rem 0.28rem 0.28rem;
    }

    .home-cert-showcase .cert-doc__corner-badge-icon {
        width: 1.15rem;
        height: 1.15rem;
        font-size: 0.58rem;
    }

    .home-cert-showcase .cert-doc__corner-badge-text {
        font-size: 0.42rem;
    }

    .home-cert-showcase .cert-doc__credential {
        top: 0.4rem;
        right: 0.4rem;
        max-width: calc(50% - 0.55rem);
    }

    .home-cert-showcase .cert-doc__credential-label {
        font-size: 0.46rem;
        letter-spacing: 0.06em;
    }

    .home-cert-showcase .cert-doc__credential-value {
        font-size: 0.58rem;
        word-break: break-all;
        line-height: 1.25;
    }

    .home-cert-showcase .cert-doc__main {
        max-width: none;
        padding: 0 0.1rem;
    }

    .home-cert-showcase .cert-doc__title {
        font-size: 0.78rem;
        letter-spacing: 0.05em;
    }

    .home-cert-showcase .cert-doc__title-rule {
        max-width: 180px;
        margin-bottom: 0.25rem;
    }

    .home-cert-showcase .cert-doc__presented {
        font-size: 0.54rem;
        letter-spacing: 0.14em;
    }

    .home-cert-showcase .cert-doc__recipient {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }

    .home-cert-showcase .cert-doc__body {
        font-size: 0.58rem;
        line-height: 1.4;
    }

    .home-cert-showcase .cert-doc__body-sub {
        font-size: 0.54rem;
        max-width: none;
    }

    .home-cert-showcase .cert-doc__period {
        font-size: 0.52rem;
        line-height: 1.35;
    }

    .home-cert-showcase .cert-doc__footer {
        grid-template-columns: 1fr;
        gap: 0.45rem;
        justify-items: center;
        padding: 0 0.15rem;
    }

    .home-cert-showcase .cert-doc__seal--learners,
    .home-cert-showcase .cert-doc__seal--gold,
    .home-cert-showcase .cert-doc__signature {
        justify-self: center;
    }

    .home-cert-showcase .cert-doc--internship .cert-doc__seal--learners {
        width: 50px;
        height: 50px;
        margin: 0;
    }

    .home-cert-showcase .cert-doc__seal--learners {
        width: 54px;
        height: 54px;
    }

    .home-cert-showcase .cert-doc__seal-ring {
        font-size: 0.44rem;
        max-width: 58px;
    }

    .home-cert-showcase .cert-doc__seal--gold {
        width: 46px;
        height: 46px;
        font-size: 0.54rem;
    }

    .home-cert-showcase .cert-doc__signature {
        padding: 0;
    }

    .home-cert-showcase .cert-doc__sign-block {
        min-width: 0;
        max-width: 7rem;
    }

    .home-cert-showcase .cert-doc__sign-img {
        max-height: 2rem;
    }

    .home-cert-showcase .cert-doc__sign-role {
        white-space: normal;
        font-size: 0.54rem;
    }

    .home-cert-showcase .cert-doc__deco--tl {
        width: 44px;
        height: 44px;
    }

    .home-cert-showcase .cert-doc--internship .cert-doc__deco--tl {
        width: 40px;
        height: 40px;
    }

    .home-cert-showcase .cert-doc__deco--br {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 380px) {
    .home-cert-showcase {
        padding: 1rem 0.65rem 1.25rem;
    }

    .home-cert-showcase .cert-doc__header {
        margin-top: 2.1rem;
    }

    .home-cert-showcase .cert-doc__title {
        font-size: 0.72rem;
    }

    .home-cert-showcase .cert-doc__corner-badge-text {
        display: none;
    }

    .home-cert-showcase .cert-doc__corner-badge {
        max-width: 2rem;
        padding: 0.25rem;
        justify-content: center;
    }
}