/* =============================================
    CSS VARIABLES
    ============================================ */
    :root {
        --primary: #1a365d;
        --primary-light: #2d3748;
        --primary-dark: #0f172a;
        --accent: #4299e1;
        --accent-light: #63b3ed;
        --accent-secondary: #38b2ac;
        --oil-color: #e53e3e;
        --gas-color: #3182ce;
        --bg-light: #f7fafc;
        --bg-white: #ffffff;
        --text-dark: #2d3748;
        --text-medium: #4a5568;
        --text-light: #718096;
        --border: #e2e8f0;
        --shadow: rgba(0, 0, 0, 0.08);
        --shadow-hover: rgba(0, 0, 0, 0.12);
    }
    /* =============================================
    BASE STYLES
    ============================================ */
    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        line-height: 1.6;
        margin: 0;
        padding: 0;
    }
    /* =============================================
    TAB NAVIGATION
    ============================================ */
    .tab-navigation {
        display: inline-flex;
        background: #f8f9fa;
        border-radius: 50px;
        padding: 5px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        margin-bottom: 2rem;
    }
    .tab-btn {
        display: inline-flex;
        align-items: center;
        padding: 12px 30px;
        font-size: 16px;
        font-weight: 600;
        color: #4a5568;
        text-decoration: none;
        border-radius: 50px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        cursor: pointer;
    }
    .tab-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 0;
        height: 100%;
        background: linear-gradient(135deg, #1a365d, #4299e1);
        transition: width 0.3s ease;
        z-index: -1;
    }
    .tab-btn:hover {
        color: #fff;
        transform: translateY(-2px);
    }
    .tab-btn:hover::before {
        width: 100%;
    }
    .tab-btn.active {
        color: #fff;
        background: linear-gradient(135deg, #1a365d, #4299e1);
        box-shadow: 0 5px 15px rgba(26, 54, 93, 0.3);
    }
    .tab-btn i {
        font-size: 14px;
        margin-right: 8px;
    }
    /* =============================================
    CARD STYLES
    ============================================ */
    .minimal-card {
        background: var(--bg-white);
        border: none;
        box-shadow: 0 4px 20px var(--shadow);
        position: relative;
        overflow: hidden;
        border-radius: 12px;
    }
    .minimal-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent), var(--accent-secondary));
    }
    /* =============================================
    TYPOGRAPHY
    ============================================ */
    .minimal-main-title {
        font-size: 2rem;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.025em;
        position: relative;
        display: inline-block;
        margin-bottom: 1rem;
    }
    .minimal-main-title::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        border-radius: 2px;
    }
    .minimal-text {
        line-height: 1.7;
        color: var(--text-medium);
        text-align: justify;
        font-size: 1.05rem;
        font-weight: 400;
        margin: 0;
    }
    /* =============================================
    PARAGRAPH CONTAINERS
    ============================================ */
    .paragraph-container {
        display: flex;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 1.5rem;
        border-radius: 12px;
        transition: all 0.3s ease;
        position: relative;
    }
    .paragraph-container:hover {
        background: var(--bg-light);
        transform: translateX(5px);
    }
    .paragraph-icon {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.25rem;
        flex-shrink: 0;
        box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
        transition: all 0.3s ease;
        margin-top: 0.25rem;
    }
    .paragraph-container:hover .paragraph-icon {
        transform: scale(1.1) rotate(5deg);
        box-shadow: 0 6px 16px rgba(66, 153, 225, 0.4);
    }
    .paragraph-text-wrapper {
        flex: 1;
        min-width: 0;
    }
    /* =============================================
    OIL & GAS ICON
    ============================================ */
    .oil-gas-icon {
        position: relative;
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, var(--oil-color), var(--gas-color));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
        transition: all 0.3s ease;
    }
    .oil-gas-icon i {
        position: absolute;
        color: white;
        font-size: 1rem;
        transition: all 0.3s ease;
    }
    .oil-gas-icon .fa-fire {
        top: 8px;
        left: 8px;
        color: #fed7d7;
        font-size: 0.9rem;
    }
    .oil-gas-icon .fa-gas-pump {
        bottom: 8px;
        right: 8px;
        color: #bee3f8;
        font-size: 0.9rem;
    }
    .paragraph-container:hover .oil-gas-icon {
        transform: scale(1.1) rotate(-5deg);
        box-shadow: 0 6px 16px rgba(229, 62, 62, 0.4);
    }
    /* =============================================
    COMMITMENT SECTION
    ============================================ */
    .minimal-commitment {
        background: linear-gradient(135deg, var(--bg-light) 0%, #edf2f7 100%);
        border-radius: 16px;
        border-left: none;
        position: relative;
        overflow: hidden;
        padding: 2rem !important;
        text-align: center;
    }
    .minimal-commitment::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(to bottom, var(--primary), var(--accent));
    }
    .commitment-icon {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.75rem;
        margin: 0 auto 1.5rem;
        box-shadow: 0 6px 20px rgba(66, 153, 225, 0.4);
        animation: float 3s ease-in-out infinite;
    }
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }
    .minimal-subtitle {
        color: var(--primary);
        font-weight: 600;
        font-size: 1.3rem;
        margin: 0;
        line-height: 1.5;
    }
    /* =============================================
    PRINCIPLE ITEMS
    ============================================ */
    .minimal-principle-item {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 2.5rem 1.5rem 1.5rem;
        position: relative;
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        height: 100%;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
    .minimal-principle-item:hover {
        transform: translateY(-8px);
        border-color: var(--accent-light);
        box-shadow: 0 15px 30px var(--shadow-hover);
    }
    .minimal-principle-icon {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border-radius: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
        transition: all 0.4s ease;
        box-shadow: 0 4px 12px rgba(66, 153, 225, 0.3);
    }
    .minimal-principle-item:hover .minimal-principle-icon {
        transform: scale(1.1) rotate(5deg);
        background: linear-gradient(135deg, var(--primary-dark), var(--accent));
        box-shadow: 0 6px 16px rgba(66, 153, 225, 0.4);
    }
    .minimal-principle-content h5 {
        color: var(--primary);
        font-weight: 700;
        font-size: 1.3rem;
        margin-bottom: 1rem;
        position: relative;
        display: inline-block;
    }
    .minimal-principle-content h5::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 30px;
        height: 2px;
        background: var(--accent);
        transition: width 0.3s ease;
    }
    .minimal-principle-item:hover .minimal-principle-content h5::after {
        width: 50px;
    }
    .minimal-principle-text {
        color: var(--text-medium);
        line-height: 1.7;
        font-size: 0.95rem;
        text-align: justify;
        margin: 0;
        flex: 1;
    }
    .minimal-principle-number {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 3rem;
        font-weight: 800;
        color: #f1f5f9;
        line-height: 1;
        z-index: 1;
        transition: all 0.3s ease;
    }
    .minimal-principle-item:hover .minimal-principle-number {
        color: #e2e8f0;
        transform: scale(1.05);
    }
    /* =============================================
    CLOSING SECTION
    ============================================ */
    .minimal-closing-content {
        background: linear-gradient(135deg, var(--bg-light) 0%, #edf2f7 100%);
        border-left: none;
        position: relative;
        overflow: hidden;
        padding: 2rem 2rem 2rem 6rem !important;
    }
    .minimal-closing-content::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(to bottom, var(--primary), var(--accent));
    }
    .closing-icon {
        position: absolute;
        top: 50%;
        left: 2rem;
        transform: translateY(-50%);
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 1.5rem;
        box-shadow: 0 4px 12px rgba(56, 178, 172, 0.4);
        z-index: 2;
    }
    .closing-text-wrapper {
        position: relative;
        z-index: 1;
    }
    /* =============================================
    PDF VIEWER STYLES
    ============================================ */
    .pdf-viewer-container {
        width: 100%;
        height: 800px;
        border: 1px solid #ddd;
        border-radius: 8px;
        overflow: hidden;
        background: #f8f9fa;
        margin: 0 auto;
        position: relative;
    }
    .pdf-pages-container {
        width: 100%;
        height: 100%;
        overflow: auto;
        position: relative;
        background: #525659;
        cursor: grab;
        scroll-behavior: auto;
    }
    .pdf-pages-container.grabbing {
        cursor: grabbing;
        user-select: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
    }
    .page-container {
        padding: 10px;
        display: flex;
        justify-content: center;
        position: relative;
        margin: 0 auto;
        min-width: min-content;
        align-items: flex-start;
        width: fit-content;
    }
    .pdf-page {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
        max-width: none;
        height: auto;
        display: block;
        position: relative;
        z-index: 1;
        cursor: grab;
    }
    .pdf-page.grabbing {
        cursor: grabbing;
    }
    .canvas-blurred {
        filter: blur(10px);
        -webkit-filter: blur(10px);
    }
    .watermark-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        pointer-events: none;
        z-index: 50;
    }
    .watermark-image {
        max-width: 60%;
        max-height: 60%;
        opacity: 0.8;
        object-fit: contain;
    }