/* =========================================
   TASNEEF TTC - GLOBAL CSS VARIABLES & BASE
   ========================================= */

:root {
    /* Brand Colors (Updated Grey & Gold Palette) */
    --clr-primary: #545859; /* Main Majour colour */
    --clr-primary-light: #6c7173;
    --clr-secondary: #b68a35; /* minor colour */
    --clr-secondary-hover: #c9983b;
    
    /* Neutral Colors */
    --clr-background: #F8FAFC;
    --clr-surface: #FFFFFF;
    --clr-text: #334155;
    --clr-text-light: #64748B;
    --clr-heading: #0F172A;
    
    /* Layout Variables */
    --container-width: 1280px;
    --container-padding: 2rem;
    --section-padding: 6rem;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Effects (Tawazun Soft Style) */
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   CSS RESET & DEFAULTS
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--clr-text);
    background-color: var(--clr-background);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--clr-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* =========================================
   UTILITIES & LAYOUT
   ========================================= */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-padding {
    padding: var(--section-padding) 0;
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-2 { margin-top: 2rem; }

.grid {
    display: grid;
    gap: 2rem;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--clr-secondary);
    color: var(--clr-surface);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background-color: var(--clr-secondary-hover);
    transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}
.btn-primary:hover::before {
    left: 0;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--clr-surface);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-surface);
    border-color: var(--clr-surface);
}
.btn-secondary:hover {
    background-color: var(--clr-surface);
    color: var(--clr-primary);
    transform: translateY(-2px);
}

.link-arrow {
    color: var(--clr-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.link-arrow i {
    transition: var(--transition);
}
.link-arrow:hover {
    color: var(--clr-secondary);
}
.link-arrow:hover i {
    transform: translateX(5px);
}

/* =========================================
   NAVIGATION (TOP MENU) - DESKTOP
   ========================================= */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 150px; 
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links > li > a {
    font-weight: 600;
    color: var(--clr-primary);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: var(--transition);
}

.nav-links > li > a:hover::after,
.nav-links > li > a.active::after {
    width: 100%;
}

/* Dropdown */
.dropdown {
    position: relative;
}
.nav-caret {
    font-size: 0.75rem;
    margin-left: 4px;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--clr-surface);
    min-width: 260px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition);
    padding: 1rem 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown:hover .nav-caret {
    transform: rotate(180deg);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 2rem;
    color: var(--clr-text);
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}
.dropdown-menu li a::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: var(--transition);
}
.dropdown-menu li a:hover {
    color: var(--clr-primary);
    padding-left: 2.5rem;
    background: transparent;
}
.dropdown-menu li a:hover::before {
    width: 10px;
}

/* Mobile Menu Button - Hidden on Desktop */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--clr-primary);
    cursor: pointer;
    background: transparent;
    border: none;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    background-color: var(--clr-primary);
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(to right, rgba(10,37,64,0.9), rgba(10,37,64,0.4)); 
    z-index: 1; 
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-subtitle {
    color: var(--clr-secondary);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.hero-title {
    color: var(--clr-surface);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

.hero-desc {
    color: #E2E8F0;
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =========================================
   CARDS
   ========================================= */
.card {
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--clr-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--clr-secondary);
    margin-bottom: 2rem;
    background: transparent;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-radius: 0;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background-color: var(--clr-primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.brand-col h3 {
    color: var(--clr-secondary);
    margin-bottom: 1rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--clr-secondary);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: #CBD5E1;
}

.footer-col ul li a:hover {
    color: var(--clr-secondary);
    padding-left: 5px; 
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #94A3B8;
    font-size: 0.875rem;
}

/* =========================================
   ABOUT & SUB-PAGE STYLES
   ========================================= */
.page-header { background: var(--clr-primary); color: white; padding: 120px 0 60px; }
.page-header h1 { color: white; margin-bottom: 0.5rem; }
.bg-light { background-color: #F8FAFC; }
.bg-primary { background-color: var(--clr-primary); }
.text-white { color: white; }
.content-block { max-width: 800px; margin: 0 auto; }
.center-block { max-width: 700px; }
.quote-block { position: relative; padding: 2rem; border-left: 4px solid var(--clr-secondary); }
.quote-icon { font-size: 3rem; color: var(--clr-secondary); opacity: 0.2; position: absolute; top: 1rem; right: 1rem; }
.quote-author { margin-top: 1.5rem; font-weight: 600; color: var(--clr-secondary); }
.partner-logo { background: white; padding: 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--clr-text-light); }

/* ANIMATIONS */
@keyframes fadeInUP { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.page-header { animation: fadeInUP 0.8s ease-out; }
.content-block, .info-card, .contact-box { animation: fadeInUP 1s ease-out both; }
.discipline-item, .logo-box { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }

/* =========================================
   PHASE 4: PREMIUM ENHANCEMENTS
   ========================================= */

/* 1. Skeleton Loading States */
.skeleton {
    background: #e2e5e7;
    background-image: linear-gradient(90deg, #e2e5e7 0px, #f0f2f4 40px, #e2e5e7 80px);
    background-size: 200vw 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: var(--radius-md);
    color: transparent !important;
}
.skeleton * {
    visibility: hidden;
}
@keyframes shimmer {
    0% { background-position: -100vw 0; }
    100% { background-position: 100vw 0; }
}

/* 2. Sticky Quick-Action Bar */
.sticky-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 -4px 15px rgba(0,0,0,0.05);
    z-index: 999;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.sticky-action-bar.visible {
    transform: translateY(0);
}
.action-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-text);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}
.action-item:hover {
    color: var(--clr-primary);
}
.action-item i {
    color: var(--clr-secondary);
    font-size: 1.1rem;
}

/* 3. Interactive Counters */
.counter-box {
    text-align: center;
    padding: 2rem;
}
.counter-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--clr-surface);
    margin-bottom: 0.5rem;
    display: block;
}
.counter-label {
    font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

/* 4. Testimonial Marquee */
.marquee-container {
    overflow: hidden;
    width: 100%;
    padding: 2rem 0;
    position: relative;
    display: flex;
}
.marquee-container::before,
.marquee-container::after {
    content: "";
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}
.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--clr-surface) 0%, transparent 100%);
}
.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--clr-surface) 0%, transparent 100%);
}
.marquee-track {
    display: flex;
    gap: 2rem;
    animation: marquee 30s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 1rem)); }
}

.testimonial-card {
    background: transparent;
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: none;
    text-align: center;
    border: 2px solid var(--clr-primary);
    position: relative;
    width: 450px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.testimonial-card i.fa-quote-left {
    font-size: 2.5rem;
    color: rgba(182, 138, 53, 0.1);
    position: absolute;
    top: 2rem;
    left: 2rem;
}
.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--clr-text);
    line-height: 1.8;
}
.testimonial-author {
    font-weight: 700;
    color: var(--clr-primary);
    margin-top: auto;
}
.testimonial-org {
    font-size: 0.9rem;
    color: var(--clr-text-light);
}

/* 5. Interactive Accordions (Course Categories) */
.discipline-item {
    cursor: pointer;
    position: relative;
    user-select: none;
}
.discipline-content {
    display: none;
    width: 100%;
    grid-column: 1 / -1; 
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-top: 1rem;
    border-left: 4px solid var(--clr-secondary);
}
.discipline-item.active {
    background: var(--clr-primary);
}
.discipline-item.active .discipline-icon,
.discipline-item.active .discipline-title {
    color: var(--clr-surface);
}

/* =========================================
   RESPONSIVE DESIGN & MOBILE MENU
   ========================================= */
@media (max-width: 992px) {
    .mobile-toggle {
        display: block; 
    }

    .nav-links {
        display: none; 
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%; 
        left: 0;
        background-color: var(--clr-surface);
        box-shadow: var(--shadow-md);
        padding: 0;
        margin: 0;
        z-index: 999;
    }

    .nav-links.active {
        display: flex; 
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05); 
        list-style: none;
    }

    .nav-links > li > a, .nav-links li a {
        display: flex;
        justify-content: space-between; 
        align-items: center;
        padding: 16px 24px;
        color: var(--clr-text);
        text-decoration: none;
        font-weight: 500;
        font-size: 16px;
    }

    .nav-links li a:active {
        background-color: var(--clr-background);
        color: var(--clr-primary);
    }

    .dropdown-menu {
        display: none; 
        position: static; 
        box-shadow: none;
        background-color: var(--clr-background); 
        width: 100%;
        padding: 0;
        opacity: 1; 
        visibility: visible;
        transform: none;
    }

    .dropdown-menu.active {
        display: block; 
    }

    .dropdown-menu li {
        border-bottom: none; 
    }

    .dropdown-menu li a {
        padding: 12px 24px 12px 40px; 
        font-size: 15px;
        color: var(--clr-text-light);
    }
    
    .dropdown:hover .dropdown-menu {
        display: none;
    }
    .dropdown:hover .dropdown-menu.active {
        display: block;
    }
    
    .sticky-action-bar {
        gap: 1rem;
        padding: 0.75rem 0.5rem;
    }
    .action-item span {
        display: none;
    }
    .action-item i {
        font-size: 1.5rem;
    }
    .counter-number {
        font-size: 2.5rem;
    }
}

/* =========================================
   COURSE MODAL AND CARDS
   ========================================= */
.course-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.course-modal-content {
    background-color: var(--clr-surface);
    margin: 5% auto;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 90%;
    max-width: 1000px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.course-modal.show .course-modal-content {
    transform: translateY(0);
}

.close-modal {
    color: var(--clr-text-light);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--clr-primary);
    text-decoration: none;
}

.modal-header h2 {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--clr-secondary);
}

.course-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1.5rem;
}

.course-card {
    background: #fdfdfd;
    border: 1px solid #eee;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-secondary);
}

.course-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

.course-card-code {
    display: inline-block;
    background-color: var(--clr-background);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-secondary);
    margin-bottom: 1rem;
}

.course-card-desc {
    font-size: 0.9rem;
    color: var(--clr-text-light);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.course-details-list {
    list-style: none;
    font-size: 0.85rem;
}

.course-details-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.course-details-list li:last-child {
    border-bottom: none;
}

.course-details-list strong {
    color: var(--clr-primary);
    margin-right: 1rem;
    white-space: nowrap;
}

.course-details-list span {
    text-align: right;
    color: var(--clr-text-light);
    word-break: break-word;
}

@media (max-width: 600px) {
    .course-grid-container {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   CERTIFICATE TRACKING PAGE (SEARCH BOX)
   ========================================= */
.search-card {
    background: var(--clr-surface);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.search-input-group {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.search-input-group input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

.search-input-group input:focus {
    outline: none;
    border-color: var(--clr-secondary);
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    font-weight: 500;
}
.alert-info { background: #e0f2fe; color: #0284c7; }
.alert-warning { background: #fef08a; color: #854d0e; }
.alert-danger { background: #fee2e2; color: #b91c1c; border: 1px solid #f87171;}

/* =========================================
   PREMIUM CERTIFICATE RESULT CARDS
   ========================================= */

/* The Main Card Container */
.premium-cert-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 2.5rem;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    text-align: center;
}

/* Valid Card Special Border */
.valid-cert {
    border-bottom: 5px solid #10b981;
}

/* Invalid Card Special Border */
.invalid-cert {
    border-bottom: 5px solid #ef4444;
}

/* The Bold Colored Header */
.cert-status-header {
    padding: 1.5rem;
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
}

.bg-success { background: linear-gradient(135deg, #10b981, #059669); }
.bg-danger { background: linear-gradient(135deg, #ef4444, #dc2626); }

/* The Details Body */
.cert-details {
    padding: 2.5rem 2rem;
}

.cert-owner p {
    color: var(--clr-text-light);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cert-owner h2 {
    color: var(--clr-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.cert-course {
    color: var(--clr-secondary);
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
}

/* The Meta Data Grid (Dates, IDs) */
.cert-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid #e2e8f0;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.8rem;
    color: var(--clr-text-light);
    text-transform: uppercase;
    font-weight: 600;
}

/* =========================================
   CERTIFICATE META DATA & MOBILE FIX
   ========================================= */
.meta-value {
    font-weight: 700;
    color: var(--clr-heading);
    font-size: 1.05rem;
    white-space: nowrap; /* FORCES text to stay on exactly one line */
}

.text-success { color: #10b981; }

/* Mobile Adjustments - Prevents Line Breaks */
@media (max-width: 600px) {
    .search-input-group {
        flex-direction: column;
    }
    
    .cert-owner h2 { font-size: 1.5rem; }
    .cert-course { font-size: 1.25rem; }
    
    .cert-meta-grid { 
        grid-template-columns: 1fr; /* Switches to 1 column on mobile */
        gap: 0;
    }
    
    .meta-item {
        flex-direction: row; /* Puts label on left, value on right */
        justify-content: space-between;
        align-items: center;
        padding: 0.8rem 0;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .meta-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
}

/* =========================================
   CERTIFICATE POPUP (MODAL WINDOW)
   ========================================= */
.cert-modal-overlay {
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: rgba(15, 23, 42, 0.85); /* Dark background */
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 1rem;
}

.cert-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cert-modal-content {
    width: 100%;
    max-width: 600px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.cert-modal-overlay.active .cert-modal-content {
    transform: translateY(0);
}

.cert-modal-content .premium-cert-card {
    margin-top: 0;
    max-height: 90vh;
    overflow-y: auto;
}

/* Modal Close Button */
.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.2);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s ease;
}

.modal-close-btn:hover {
    background: rgba(0, 0, 0, 0.5);
}