/* ===================================
   CERTIFICATES PAGE - TÜREV MEDIKAL
   Modern Design System
   =================================== */

/* Hero background image */
.page-hero.certificates-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/certificates-hero.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.28;
    z-index: 0;
}

.page-hero.certificates-hero .container {
    position: relative;
    z-index: 1;
}

/* ===================================
   CERTIFICATES CONTENT
   =================================== */

.certificates-content {
    padding: var(--space-20) 0;
}

.certificates-intro {
    max-width: none;
    margin: 0 auto var(--space-16);
    text-align: center;
}

.certificates-intro p.lead {
    font-size: var(--font-size-xl);
    color: var(--color-text-body);
    line-height: var(--leading-loose);
    margin-bottom: var(--space-8);
}

/* ===================================
   CERTIFICATES GRID
   =================================== */

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-10);
    margin-top: var(--space-12);
    max-width: none;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 640px) {
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .certificate-card {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-6);
    }
}

.certificate-card {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    background: var(--color-bg-white);
    border: 1px solid rgba(var(--color-primary-rgb), 0.10);
    border-radius: 28px;
    padding: var(--space-8);
    transition: border-color var(--transition-base), box-shadow var(--transition-emphasis), transform var(--transition-emphasis), color var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    text-decoration: none;
    color: inherit;
    font: inherit;
    text-align: left;
    width: 100%;
    cursor: pointer;
    font-family: inherit;
}

.certificate-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 18px 44px rgba(var(--color-primary-rgb), 0.16);
    transform: translateY(-6px);
}

.certificate-card:hover .certificate-icon svg {
    transform: scale(1.05);
}

.certificate-card:hover .view-document {
    color: var(--color-primary);
    transform: translateX(4px);
}

.certificate-icon {
    flex-shrink: 0;
}

.certificate-icon svg {
    display: block;
    transition: var(--transition-transform);
}

.certificate-info {
    flex: 1;
}

.certificate-info h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
    margin-bottom: var(--space-2);
}

.certificate-info p {
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.view-document {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    transition: color var(--transition-base), transform var(--transition-base);
}

.certificate-item {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.certificate-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.certificate-image-placeholder {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, var(--color-bg-gray-50) 0%, var(--color-bg-gray-100) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}

.certificate-image-placeholder::after {
    content: none;
}

.certificate-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.certificate-info {
    padding: var(--space-6);
}

.certificate-item h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-dark);
    margin-bottom: var(--space-3);
}

.certificate-item p {
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.certificate-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.certificate-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ===================================
   QUALITY COMMITMENT SECTION
   =================================== */

.quality-section {
    padding: var(--space-16);
    background: var(--gradient-brand);
    border-radius: var(--radius-2xl);
    margin: var(--space-20) 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.quality-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.quality-section h2 {
    position: relative;
    z-index: 1;
    color: var(--color-bg-white);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-6);
}

.quality-section p {
    position: relative;
    z-index: 1;
    font-family: 'DM Sans', 'Inter', sans-serif;
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.92);
    line-height: var(--leading-relaxed);
    max-width: none;
    margin: 0 auto;
}

/* ===================================
   PDF MODAL VIEWER
   =================================== */

.pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
}

.pdf-modal.is-open {
    display: block;
}

.pdf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 20, 40, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.pdf-modal-dialog {
    position: relative;
    width: min(1100px, 94vw);
    height: min(900px, 92vh);
    margin: 4vh auto 0;
    background: var(--color-bg-white);
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pdf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid rgba(var(--color-primary-rgb), 0.10);
    background: var(--color-bg-white);
}

.pdf-modal-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-dark);
}

.pdf-modal-close {
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    color: var(--color-text-dark);
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.pdf-modal-close:hover {
    background: rgba(var(--color-primary-rgb), 0.08);
}

.pdf-modal-body {
    flex: 1;
    background: #1f1f1f;
    position: relative;
    overflow-y: auto;
    padding: var(--space-4);
}

.pdf-modal-pages {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
}

.pdf-modal-page {
    max-width: 100%;
    width: auto;
    height: auto;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}

.pdf-modal-download {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: var(--color-bg-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-left: auto;
    margin-right: var(--space-3);
    transition: background var(--transition-base), transform var(--transition-base);
}

.pdf-modal-download:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}