/* =====================
   Certificates Section - Premium Redesign
   ===================== */
.certificates-section {
    position: relative;
    z-index: 10;
    padding: 100px 0 0 0;
    background: transparent;
    overflow: visible;
}

.certificates-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245, 158, 11, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.certificates-section>.container {
    position: relative;
    z-index: 1;
}

/* Header */
.cert-header {
    text-align: center;
    margin-bottom: 3rem;
}

.cert-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
}

.cert-highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cert-subtitle {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
    letter-spacing: 0.02em;
}

/* Certificates List Container */
.cert-list-container {
    max-width: 1400px;
    margin: 0 auto 3.5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

/* Certificate Group */
.cert-group {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.cert-group:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .cert-group {
    background: rgba(30, 30, 40, 0.7);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .cert-group:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

/* Group Header */
.cert-group-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    z-index: 1;
}

[data-theme="dark"] .cert-group-header {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.cert-group-logo {
    width: 84px;
    height: 84px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.95);
    padding: 8px;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.cert-group:hover .cert-group-logo {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .cert-group-logo {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.15);
}

.cert-group-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

/* Cert count badge */
.cert-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(245, 158, 11, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    letter-spacing: 0.03em;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

/* Certificate List Item - Refined */
.cert-list-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    cursor: default;
}

/* Verified check icon */
.cert-list-item .cert-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.08));
    color: var(--primary-dark);
    font-size: 0.6rem;
    transition: all 0.3s ease;
}

.cert-list-item:hover .cert-check {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
    transform: scale(1.1);
}

.cert-list-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .cert-list-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .cert-list-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .cert-list-item .cert-check {
    background: rgba(245, 158, 11, 0.15);
}

/* List Content */
.cert-list-content {
    flex: 1;
    min-width: 0;
}

.cert-list-name {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
    line-height: 1.4;
}

/* Full Width Slideshow */
.cert-slideshow-wrapper {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.02));
    overflow: hidden;
}

[data-theme="dark"] .cert-slideshow-wrapper {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.03));
}

.cert-slideshow {
    display: flex;
    gap: 2rem;
    animation: cert-slide 30s linear infinite;
    width: fit-content;
}

.cert-slideshow:hover {
    animation-play-state: paused;
}

@keyframes cert-slide {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.cert-slide {
    flex-shrink: 0;
    width: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    overflow: hidden;
}

.cert-slide:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .cert-slide {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .cert-slide:hover {
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 15px 50px rgba(245, 158, 11, 0.25);
}

.cert-slide-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    display: block;
}



/* Responsive */
@media (max-width: 1400px) {
    .cert-list-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (max-width: 991px) {
    .cert-title {
        font-size: 2.2rem;
    }

    .cert-list-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .cert-group {
        padding: 1.25rem;
    }

    .cert-group-header {
        gap: 0.75rem;
        margin-bottom: 1rem;
        padding-bottom: 0.85rem;
    }

    .cert-group-logo {
        width: 76px;
        height: 76px;
        padding: 8px;
    }

    .cert-group-title {
        font-size: 0.95rem;
    }

    .cert-list-item {
        padding: 0.65rem 0.8rem;
    }

    .cert-list-name {
        font-size: 0.78rem;
    }

    .cert-slide {
        width: 350px;
        padding: 0.85rem;
    }
}

@media (max-width: 767px) {
    .cert-title {
        font-size: 1.8rem;
    }

    .cert-subtitle {
        font-size: 0.85rem;
    }

    .cert-list-container {
        gap: 1rem;
    }

    .cert-group {
        padding: 1rem;
        border-radius: 16px;
    }

    .cert-group-header {
        gap: 0.6rem;
        margin-bottom: 0.85rem;
        padding-bottom: 0.75rem;
    }

    .cert-group-logo {
        width: 68px;
        height: 68px;
        padding: 7px;
    }

    .cert-group-title {
        font-size: 0.9rem;
    }

    .cert-list-item {
        padding: 0.6rem 0.75rem;
    }

    .cert-list-name {
        font-size: 0.75rem;
    }

    .cert-slide {
        width: 280px;
        padding: 0.75rem;
    }
}

/* =====================
   Recommendations Section
   ===================== */
.recommendations-container {
    margin: 5rem 0 3rem;
    position: relative;
    z-index: 5;
}

.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.recommendation-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.recommendation-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .recommendation-card {
    background: rgba(30, 30, 40, 0.7);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .recommendation-card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

.rec-quote-icon {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    line-height: 1;
}

[data-theme="dark"] .rec-quote-icon {
    opacity: 0.15;
}

.rec-content {
    flex-grow: 1;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.rec-content p {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 1rem;
    opacity: 0.9;
}

.rec-content p:last-child {
    margin-bottom: 0;
}

.rec-author {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding-top: 1.5rem;
}

[data-theme="dark"] .rec-author {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.rec-author-info {
    display: flex;
    flex-direction: column;
}

.rec-author-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 0.3rem 0;
}

.rec-author-title {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

.rec-linkedin {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.1);
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(245, 158, 11, 0.2);
    text-decoration: none;
}

.rec-linkedin:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .rec-linkedin {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .rec-linkedin:hover {
    background: var(--primary-color);
    color: #fff;
}

@media (max-width: 991px) {
    .recommendations-grid {
        grid-template-columns: 1fr;
    }
}