:root {
            --maroon: #70181f;
            --green: #427d3a;
            --black: #000000;
            --white: #ffffff;
            --light-bg: #f5f5f5;
            --text-gray: #555555;
            --border-light: #e0e0e0;
            --blue: #3498db;
            --orange: #e67e22;
            --purple: #9b59b6;
            --gold: #f39c12;
        }

        * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-gray);
    background: #fafafa;
    overflow-x: hidden;
}

/* Hero Section */
.leadership-hero {
    background: linear-gradient(rgb(112 24 31 / 34%), rgb(112 24 31 / 68%)), url(../assets/image/bg.webp?w=1200&h=600&fit=crop) center / cover;
    /* padding: 120px 0 100px; */
    position: relative;
    overflow: hidden;
}

.leadership-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 30px;
    border-radius: 50px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
}
/* Quick Stats Section */
        .quick-stats-section {
            padding: 80px 0;
            background: white;
            margin-top: -50px;
            position: relative;
            z-index: 20;
        }

        .quick-stats-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-card {
            background: white;
            padding: 40px 30px;
            border-radius: 20px;
            text-align: center;
            border: 2px solid transparent;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(112, 24, 31, 0.05), rgba(66, 125, 58, 0.05));
            opacity: 0;
            transition: opacity 0.4s ease;
            z-index: 0;
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-card:hover {
            transform: translateY(-15px) scale(1.02);
            border-color: var(--maroon);
            box-shadow: 0 20px 60px rgba(112, 24, 31, 0.2);
        }

        .stat-card > * {
            position: relative;
            z-index: 1;
        }

        .stat-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            box-shadow: 0 5px 15px rgba(112, 24, 31, 0.3);
        }

        .stat-card:hover .stat-icon {
            transform: scale(1.2) rotate(360deg);
            box-shadow: 0 10px 30px rgba(112, 24, 31, 0.5);
        }

        .stat-icon i {
            font-size: 35px;
            color: white;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--maroon);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--text-gray);
            font-weight: 600;
        }

        /* Section Heading */
        .section-heading {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-label {
            display: inline-block;
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            color: white;
            padding: 10px 30px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 20px;
            box-shadow: 0 5px 20px rgba(112, 24, 31, 0.3);
            transition: all 0.3s ease;
        }

        .section-label:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 30px rgba(112, 24, 31, 0.5);
        }

        .section-heading h2 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--black);
            margin-bottom: 15px;
        }

        .section-heading p {
            font-size: 1.2rem;
            color: var(--text-gray);
        }

        /* Filter Section */
        .filter-section {
            padding: 60px 0 40px;
            background: #fafafa;
        }

        .filter-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .filter-tabs {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .filter-tab {
            background: white;
            padding: 15px 35px;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid #e8e8e8;
            font-weight: 700;
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .filter-tab:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .filter-tab.active {
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            color: white;
            border-color: var(--maroon);
            box-shadow: 0 8px 30px rgba(112, 24, 31, 0.3);
        }

        /* Patents Section */
        .patents-section {
            padding: 40px 0 100px;
            background: #fafafa;
        }

        .patents-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .patent-card {
            background: white;
            border-radius: 25px;
            overflow: hidden;
            margin-bottom: 30px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid transparent;
        }

        .patent-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 70px rgba(112, 24, 31, 0.15);
            border-color: var(--maroon);
        }

        .patent-header {
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            padding: 30px 40px;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .patent-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .patent-header-content {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 30px;
        }

        .patent-number-section {
            flex: 1;
        }

        .patent-number {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .patent-icon {
            width: 60px;
            height: 60px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .patent-icon i {
            font-size: 30px;
        }

        .patent-meta {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
        }

        .meta-badge {
            background: rgba(255, 255, 255, 0.2);
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .patent-status-section {
            text-align: right;
        }

        .status-badge {
            display: inline-block;
            padding: 10px 25px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .status-badge.granted {
            background: linear-gradient(135deg, var(--green), #52a045);
            box-shadow: 0 5px 20px rgba(66, 125, 58, 0.3);
        }

        .status-badge.published {
            background: linear-gradient(135deg, var(--blue), #2980b9);
            box-shadow: 0 5px 20px rgba(52, 152, 219, 0.3);
        }

        .status-badge.filed {
            background: linear-gradient(135deg, var(--orange), #d35400);
            box-shadow: 0 5px 20px rgba(230, 126, 34, 0.3);
        }

        .status-date {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        .patent-body {
            padding: 40px;
        }

        .patent-title {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--maroon);
            margin-bottom: 25px;
            line-height: 1.4;
        }

        .inventors-section {
            margin-bottom: 25px;
            padding: 20px;
            background: linear-gradient(135deg, #fafafa, #f5f5f5);
            border-radius: 15px;
            border-left: 5px solid var(--green);
        }

        .inventors-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--green);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .inventors-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .inventor-tag {
            background: white;
            padding: 10px 20px;
            border-radius: 25px;
            font-weight: 600;
            color: var(--text-gray);
            border: 2px solid #e8e8e8;
            transition: all 0.3s ease;
        }

        .inventor-tag:hover {
            border-color: var(--maroon);
            color: var(--maroon);
            transform: translateY(-2px);
        }

        .inventor-tag.lead {
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            color: white;
            border-color: var(--maroon);
        }

        .patent-abstract {
            color: var(--text-gray);
            line-height: 1.9;
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

        .patent-details {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 25px;
        }

        .detail-item {
            background: linear-gradient(135deg, #fafafa, #f5f5f5);
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .detail-item:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }

        .detail-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .detail-icon i {
            font-size: 24px;
            color: white;
        }

        .detail-label {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 5px;
        }

        .detail-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--maroon);
        }

        .patent-categories {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 25px;
        }

        .category-tag {
            background: linear-gradient(135deg, var(--green), #52a045);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(66, 125, 58, 0.3);
        }

        .patent-actions {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .patent-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            color: white;
            border-color: var(--maroon);
            box-shadow: 0 5px 15px rgba(112, 24, 31, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(112, 24, 31, 0.4);
            color: white;
        }

        .btn-secondary {
            background: white;
            color: var(--maroon);
            border-color: var(--maroon);
        }

        .btn-secondary:hover {
            background: var(--maroon);
            color: white;
            transform: translateY(-3px);
        }

        /* Timeline Section */
        .timeline-section {
            padding: 100px 0;
            background: white;
        }

        .timeline-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
        }

        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--maroon), var(--green));
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 60px;
            display: flex;
            align-items: center;
        }

        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }

        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            width: 45%;
            background: white;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
        }

        .timeline-content:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 50px rgba(112, 24, 31, 0.15);
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            border-radius: 50%;
            transform: translateX(-50%);
            z-index: 10;
            box-shadow: 0 0 0 8px rgba(255, 255, 255, 1), 0 5px 20px rgba(112, 24, 31, 0.3);
        }

        .timeline-year {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--maroon);
            margin-bottom: 10px;
        }

        .timeline-count {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--green);
            margin-bottom: 5px;
        }

        .timeline-label {
            color: var(--text-gray);
            font-size: 1rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--maroon), #8b2329);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 8s ease-in-out infinite;
        }

        .cta-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            color: white;
            position: relative;
            z-index: 10;
            padding: 0 20px;
        }

        .cta-icon {
            width: 90px;
            height: 90px;
            margin: 0 auto 30px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cta-icon i {
            font-size: 45px;
        }

        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .cta-content p {
            font-size: 1.2rem;
            margin-bottom: 35px;
            opacity: 0.95;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btn {
            padding: 18px 45px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-btn.primary {
            background: white;
            color: var(--maroon);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
        }

        .cta-btn.primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
            color: var(--maroon);
        }

        .cta-btn.secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .cta-btn.secondary:hover {
            background: white;
            color: var(--maroon);
            transform: translateY(-3px);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .quick-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .patent-details {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }

            .section-heading h2 {
                font-size: 2rem;
            }

            .quick-stats-grid {
                grid-template-columns: 1fr;
            }

            .filter-tabs {
                flex-direction: column;
            }

            .filter-tab {
                justify-content: center;
            }

            .patent-header-content {
                flex-direction: column;
            }

            .patent-status-section {
                text-align: left;
            }

            .patent-details {
                grid-template-columns: 1fr;
            }

            .timeline-line {
                left: 30px;
            }

            .timeline-item,
            .timeline-item:nth-child(even) {
                flex-direction: row !important;
                padding-left: 60px;
            }

            .timeline-content {
                width: 100%;
            }

            .timeline-dot {
                left: 30px !important;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }