/* Modern Certifications Page and Preview */

:root {
    --cert-accent-rgb: 99, 102, 241;
    --cert-surface: rgba(255, 255, 255, 0.065);
    --cert-surface-strong: rgba(255, 255, 255, 0.1);
    --cert-border: rgba(255, 255, 255, 0.12);
    --cert-muted: rgba(255, 255, 255, 0.68);
    --cert-glow: 0 0 36px rgba(var(--cert-accent-rgb), 0.22);
    --color-primary-rgb: 99, 102, 241;
    --color-light-rgb: 255, 255, 255;
    --accent-gradient: var(--gradient-primary);
    --background: var(--color-dark);
}

body.modal-open {
    overflow: hidden;
}

.certifications-page {
    background: var(--color-dark);
}

.certifications-hero {
    min-height: 100vh;
    padding: 8rem 1.5rem 5rem;
    text-align: center;
    overflow: hidden;
}

.certifications-hero-content {
    width: min(960px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.certifications-eyebrow {
    width: fit-content;
    margin: 0 auto 1rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.055);
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.certifications-title {
    margin-bottom: 1rem;
    font-size: clamp(3rem, 9vw, 6.5rem);
    line-height: 0.95;
    letter-spacing: 0;
    background: linear-gradient(135deg, #ffffff 15%, var(--color-primary-light) 58%, var(--color-secondary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.certifications-subtitle {
    margin: 0 auto 1rem;
    color: var(--color-light);
    font-size: clamp(1.1rem, 2vw, 1.55rem);
    font-weight: 600;
}

.certifications-description {
    max-width: 680px;
    margin: 0 auto 2.2rem;
    color: var(--cert-muted);
    font-size: 1rem;
    line-height: 1.8;
}

.certifications-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 0 auto 2.25rem;
    max-width: 760px;
}

.certification-stat {
    padding: 1.15rem;
    border: 1px solid var(--cert-border);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.095), rgba(255, 255, 255, 0.035));
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

.certification-stat span {
    display: block;
    color: var(--color-light);
    font-family: var(--font-special);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
}

.certification-stat p {
    margin: 0.25rem 0 0;
    color: var(--cert-muted);
    font-size: 0.9rem;
}

.certifications-hero-actions {
    justify-content: center;
    margin-bottom: 0;
}

.certifications-showcase {
    position: relative;
    min-height: 100vh;
    padding: 6rem 1.5rem;
    display: block;
    overflow: hidden;
}

.certifications-showcase > .immersive-background,
.certifications-showcase > .particles-container {
    position: absolute;
    inset: 0;
}

.certifications-shell {
    width: min(1280px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.certifications-section-header {
    margin-bottom: 2rem;
    text-align: center;
}

.certifications-section-header h2 {
    margin-bottom: 0.75rem;
    color: var(--color-light);
    font-size: clamp(2.2rem, 5vw, 4.25rem);
    letter-spacing: 0;
}

.certifications-section-header p {
    max-width: 660px;
    margin: 0 auto;
    color: var(--cert-muted);
    line-height: 1.75;
}

.certification-filter-bar {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto 1rem;
    padding: 0.45rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.certification-filter {
    padding: 0.72rem 1.15rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: rgba(255, 255, 255, 0.72);
    font: inherit;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.certification-filter:hover,
.certification-filter.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.11);
    box-shadow: 0 0 18px rgba(var(--cert-accent-rgb), 0.22);
}

.certification-filter:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.certification-results-meta {
    margin-bottom: 1.4rem;
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.92rem;
    text-align: center;
}

.certification-grid,
.certification-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.certification-grid.is-filtering {
    opacity: 0.35;
    transform: translateY(8px);
}

.certification-card {
    min-height: 100%;
    padding: 0;
    border: 0;
    color: inherit;
    text-align: left;
    background: transparent;
    cursor: pointer;
}

.certification-card-inner {
    height: 100%;
    min-height: 345px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--cert-border);
    border-radius: 22px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03)),
        rgba(10, 10, 15, 0.78);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 24px 55px rgba(0, 0, 0, 0.32);
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
}

.certification-card:hover .certification-card-inner,
.certification-card:focus-visible .certification-card-inner {
    transform: translateY(-8px);
    border-color: rgba(var(--cert-accent-rgb), 0.5);
    box-shadow: 0 28px 68px rgba(0, 0, 0, 0.42), var(--cert-glow);
}

.certification-card:focus-visible {
    outline: none;
}

.certification-image-shell {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: radial-gradient(circle at 50% 20%, rgba(var(--cert-accent-rgb), 0.28), rgba(255, 255, 255, 0.04) 42%, rgba(0, 0, 0, 0.22));
}

.certification-image-shell::after {
    content: attr(data-provider) " certificate preview";
    position: absolute;
    inset: 0;
    display: none;
    place-items: center;
    padding: 1.5rem;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.certification-image-shell.is-missing::after {
    display: grid;
}

.certification-image-shell img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    filter: saturate(1.02) contrast(1.02);
    transition: transform 0.45s ease;
}

.certification-card:hover .certification-image-shell img {
    transform: scale(1.045);
}

.certification-card-body {
    min-height: 142px;
    padding: 1.25rem;
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
}

.certification-card-title {
    margin: 0;
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
}

.certification-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
}

.certification-provider-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.42rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    line-height: 1;
    white-space: nowrap;
}

.certification-provider-badge.cisco {
    background: rgba(14, 116, 255, 0.18);
    border-color: rgba(59, 130, 246, 0.36);
    box-shadow: 0 0 18px rgba(59, 130, 246, 0.16);
}

.certification-provider-badge.ec-council {
    background: rgba(239, 68, 68, 0.18);
    border-color: rgba(248, 113, 113, 0.36);
    box-shadow: 0 0 18px rgba(239, 68, 68, 0.16);
}

.certification-provider-badge.sas {
    background: rgba(147, 51, 234, 0.2);
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 0 18px rgba(147, 51, 234, 0.17);
}

.certification-year {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.86rem;
    font-weight: 700;
    white-space: nowrap;
}

.certification-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(2, 4, 12, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.certification-modal[aria-hidden="false"] {
    opacity: 1;
    pointer-events: auto;
}

.certification-modal-dialog {
    width: min(980px, 100%);
    max-height: min(88vh, 860px);
    overflow: auto;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 26px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
        rgba(10, 10, 15, 0.94);
    box-shadow: 0 34px 100px rgba(0, 0, 0, 0.58), 0 0 55px rgba(var(--cert-accent-rgb), 0.22);
    transform: translateY(16px) scale(0.96);
    transition: transform 0.25s ease;
}

.certification-modal[aria-hidden="false"] .certification-modal-dialog {
    transform: translateY(0) scale(1);
}

.certification-modal-header {
    position: sticky;
    top: 0;
    z-index: 2;
    padding: 1rem;
    display: flex;
    justify-content: flex-end;
    background: rgba(10, 10, 15, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.certification-modal-close {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

.certification-modal-close:hover {
    transform: rotate(90deg);
    background: rgba(255, 255, 255, 0.14);
}

.certification-modal-image {
    position: relative;
    margin: 0 1rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
}

.certification-modal-image::after {
    content: attr(data-provider) " certificate preview";
    min-height: 360px;
    display: none;
    place-items: center;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 800;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.certification-modal-image.is-missing::after {
    display: grid;
}

.certification-modal-image img {
    width: 100%;
    max-height: 62vh;
    display: block;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.28);
}

.certification-modal-content {
    padding: 1.4rem 1.5rem 1.7rem;
}

.certification-modal-content h3 {
    margin: 0 0 1rem;
    color: #ffffff;
    font-size: clamp(1.35rem, 3vw, 2rem);
    letter-spacing: 0;
}

.certification-modal-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem;
}

.certification-download {
    display: none;
    margin-top: 1.25rem;
}

.certification-download.is-visible {
    display: inline-flex;
}

.certification-preview-grid {
    margin-top: 1.5rem;
}

.certification-preview-grid .certification-card-inner {
    min-height: 315px;
}

.certification-preview-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

.certification-preview-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.85rem 1.15rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    font-weight: 800;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.certification-preview-link:hover {
    transform: translateY(-3px);
    border-color: rgba(var(--cert-accent-rgb), 0.46);
    box-shadow: var(--cert-glow);
    color: #ffffff;
}

@media (max-width: 980px) {
    .certification-grid,
    .certification-preview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .certifications-hero-stats {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
}

@media (max-width: 640px) {
    .certifications-hero,
    .certifications-showcase {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .certification-grid,
    .certification-preview-grid {
        grid-template-columns: 1fr;
    }

    .certification-filter-bar {
        width: 100%;
        border-radius: 22px;
    }

    .certification-filter {
        flex: 1 1 42%;
    }

    .certification-card-body {
        min-height: auto;
    }

    .certification-modal {
        padding: 0.75rem;
    }

    .certification-modal-dialog {
        border-radius: 20px;
    }

    .certification-modal-image {
        margin: 0 0.75rem;
    }

    .certification-modal-content {
        padding: 1.2rem;
    }
}