/* ----------------------------------- */
/* الإعدادات العامة والخلفية */
/* ----------------------------------- */
:root {
    --main-color: #00ffff;
    --text-color: #e0e0e0;
    --dark-bg: #101014;
    --secondary-glow: #8a2be2;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
    overflow-x: hidden;
}

/* تأثير التوهج المائي (الخلفية) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 75% 15%, rgba(0, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 25% 85%, rgba(138, 43, 226, 0.12) 0%, transparent 45%);
    pointer-events: none;
    z-index: -1;
    filter: blur(100px);
}

/* Certificates Section */
.certificates-section {
    padding-top: 100px !important;
    margin-top: 0 !important;
    position: relative;
    z-index: 1;
}

/* Main Title - ACHIEVEMENTS */
.main-title {
    font-size: 6vw;
    font-weight: 900;
    color: rgba(0, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

/* Header Section */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.underline {
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, var(--main-color), transparent);
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: #b0b0b0;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Certificates Grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Certificate Cards */
.certificate-card {
    background: rgba(20, 20, 28, 0.9);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.certificate-card:hover::before {
    left: 100%;
}

.certificate-card:hover {
    transform: translateY(-10px);
    border-color: var(--main-color);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
}

/* Certificate Image */
.certificate-image {
    width: 100%;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px 15px 0 0;
    overflow: hidden;
}

.certificate-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
    transition: all 0.4s ease;
    opacity: 0.92;
    display: block;
    filter: brightness(0.95);
}

.certificate-card:hover .certificate-image img {
    transform: scale(1.08);
    opacity: 1;
    filter: brightness(1.05);
}

/* Certificate Content */
.certificate-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.certificate-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.certificate-issuer {
    font-size: 1rem;
    color: var(--main-color);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
    margin-bottom: 1rem;
    font-weight: 500;
}

.certificate-badge {
    margin-top: auto;
}

.badge-text {
    background: rgba(0, 255, 255, 0.1);
    color: var(--main-color);
    border: 1px solid rgba(0, 255, 255, 0.3);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    display: inline-block;
}

.badge-link {
    text-decoration: none;
    display: inline-block;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.badge-link .badge-text {
    cursor: pointer;
}

.certificate-card:hover .badge-text {
    background: var(--main-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.4);
}

.badge-link:hover .badge-text {
    background: var(--main-color);
    color: var(--dark-bg);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.6);
}

/* Certificate Modal */
.certificate-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    cursor: zoom-in;
    position: relative;
}

.modal-content.zoomed {
    cursor: grab;
    max-width: none;
    max-height: none;
}

.modal-content.zoomed:active {
    cursor: grabbing;
}

.modal-content.draggable {
    cursor: grab;
}

.modal-content.draggable:active {
    cursor: grabbing;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    z-index: 10001;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
}

.modal-close:hover,
.modal-close:focus {
    color: var(--main-color);
    text-shadow: 0 0 20px rgba(0, 255, 255, 1);
    transform: scale(1.2) rotate(90deg);
}

/* Zoom Controls */
.zoom-controls {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10002;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;
    border-radius: 50px;
    border: 2px solid rgba(0, 255, 255, 0.3);
}

.zoom-btn {
    background: rgba(0, 255, 255, 0.2);
    border: 2px solid var(--main-color);
    color: var(--main-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
    font-weight: bold;
}

.zoom-btn:hover {
    background: var(--main-color);
    color: var(--dark-bg);
    transform: scale(1.15);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
}

/* Footer */
.footer-line {
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 3rem !important;
    padding-top: 1.5rem !important;
}

.footer-line::before {
    content: '';
    position: absolute;
    top: -5px;
    right: 0;
    width: 10px;
    height: 10px;
    background-color: var(--main-color);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--main-color);
}

.portfolio-year {
    color: var(--text-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 10vw;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .certificate-content {
        padding: 1rem;
    }

    .certificate-title {
        font-size: 1.1rem;
    }

    .footer-line {
        justify-content: center !important;
    }
}

@media (max-width: 480px) {
    .certificates-grid {
        padding: 0 0.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}