/* ============================================
   DANGOTE REFINERY IPO PRESENTATION
   Modern Professional Design
   ============================================ */

:root {
    --primary: #ffffff;
    --primary-light: #f8fafc;
    --accent: #1e40af;
    --accent-light: #3b82f6;
    --accent-dark: #1e3a8a;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --card-bg: #f8fafc;
    --card-border: #e2e8f0;
    --border-subtle: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-svg {
    margin-bottom: 20px;
}

.loader-arc {
    animation: loaderSpin 1s linear infinite;
    transform-origin: center;
}

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

.loader p {
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nasfon-logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.nav-divider {
    color: #e2e8f0;
    font-weight: 200;
    font-size: 18px;
}

.nav-subtitle {
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--card-border);
    background: var(--primary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

#slideCounter {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 56px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.nav-actions {
    display: flex;
    gap: 8px;
}

.nav-btn-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--card-border);
    background: var(--primary);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-btn-icon:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(30, 64, 175, 0.05);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
#progressBar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border-subtle);
    z-index: 999;
}

#progressFill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 10%;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(30, 64, 175, 0.3);
}

/* ============================================
   SLIDES CONTAINER
   ============================================ */
#slidesContainer {
    position: relative;
    width: 100%;
    height: 100%;
    padding-top: 60px;
}

.slide {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100% - 60px);
    display: flex;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.5s, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide.exit-left {
    transform: translateX(-60px);
    opacity: 0;
}

.slide.exit-right {
    transform: translateX(60px);
    opacity: 0;
}

/* ============================================
   SLIDE: TITLE (Slide 1)
   ============================================ */
.slide-title {
    background: var(--primary);
    align-items: center;
    justify-content: space-between;
    padding: 60px 80px;
}

.slide-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-mesh {
    width: 100%;
    height: 100%;
}

.slide-content {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.title-badge {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
    backdrop-filter: blur(10px);
}

.title-main {
    margin-bottom: 28px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.title-dangote {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 72px;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--text);
}

.title-refinery {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 72px;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--accent);
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-ipo {
    display: block;
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 16px;
}

.title-tagline {
    font-size: 20px;
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.title-meta {
    display: flex;
    gap: 36px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
}

.meta-item svg {
    color: var(--accent);
    opacity: 0.7;
}

/* ============================================
   SLIDE VISUAL (Cover)
   ============================================ */
.slide-visual {
    position: relative;
    width: 420px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.refinery-graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.pulse-ring {
    animation: pulseRing 4s ease-in-out infinite;
    transform-origin: center;
}

.pulse-ring.r1 { animation-delay: 0s; }
.pulse-ring.r2 { animation-delay: 0.5s; }
.pulse-ring.r3 { animation-delay: 1s; }

@keyframes pulseRing {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.04); }
}

.float-dot {
    animation: floatDot 6s ease-in-out infinite;
}

.float-dot.d1 { animation-delay: 0s; }
.float-dot.d2 { animation-delay: 1.5s; }
.float-dot.d3 { animation-delay: 3s; }
.float-dot.d4 { animation-delay: 4.5s; }

@keyframes floatDot {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.chart-line {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    animation: drawLine 2s ease-in-out 1s forwards;
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   CONTENT SLIDES
   ============================================ */
.slide-content-slide {
    background: var(--primary);
    flex-direction: column;
    padding: 32px 64px 20px;
    height: 100%;
    overflow: hidden;
}

.slide-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    flex-shrink: 0;
}

.slide-number {
    font-size: 52px;
    font-weight: 900;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.15), rgba(59, 130, 246, 0.08));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.slide-title-text {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text);
}

.slide-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(30, 64, 175, 0.2), transparent);
}

.slide-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    min-height: 0;
}

.slide-body::-webkit-scrollbar {
    width: 4px;
}

.slide-body::-webkit-scrollbar-track {
    background: transparent;
}

.slide-body::-webkit-scrollbar-thumb {
    background: rgba(30, 64, 175, 0.2);
    border-radius: 2px;
}

.two-column {
    flex-direction: row;
    gap: 32px;
}

.col-left, .col-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.slide-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    margin-top: auto;
}

.footer-brand {
    font-size: 15px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.3px;
}

.footer-page {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   EXECUTIVE SUMMARY CARDS
   ============================================ */
.summary-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.summary-card:hover {
    border-color: rgba(30, 64, 175, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.highlight-card {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.06), rgba(59, 130, 246, 0.03));
    border-color: rgba(30, 64, 175, 0.15);
}

.highlight-card::before {
    opacity: 1;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(59, 130, 246, 0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--accent);
}

.highlight-card .card-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(30, 64, 175, 0.3);
}

.summary-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.summary-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   OBJECTIVES GRID
   ============================================ */
.objectives-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 20px;
}

.objective-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.objective-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.objective-card:hover {
    border-color: rgba(30, 64, 175, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.objective-card:hover::after {
    opacity: 1;
}

.obj-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.obj-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.obj-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   DISCLAIMER BANNER
   ============================================ */
.disclaimer-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(249, 115, 22, 0.04));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius);
    font-size: 13px;
    color: #b45309;
    line-height: 1.6;
}

.disclaimer-banner svg {
    color: var(--warning);
    flex-shrink: 0;
}

/* ============================================
   STEPS CONTAINER
   ============================================ */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
}

.step-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid var(--accent);
    align-items: flex-start;
    position: relative;
}

.step-item:hover {
    border-color: rgba(30, 64, 175, 0.2);
    border-left-color: var(--accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.step-icon-right {
    margin-left: auto;
    flex-shrink: 0;
    align-self: center;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.step-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   ABOUT STATS
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.about-stat {
    text-align: center;
    padding: 20px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.about-stat:hover {
    border-color: rgba(30, 64, 175, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-icon-wrap {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(59, 130, 246, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-block {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.detail-block:hover {
    box-shadow: var(--shadow-sm);
}

.detail-block h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.detail-block h3 svg {
    color: var(--accent);
}

.detail-block ul {
    list-style: none;
}

.detail-block li {
    padding: 7px 0;
    padding-left: 22px;
    position: relative;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.detail-block li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50%;
}

/* ============================================
   IPO TABLE
   ============================================ */
.ipo-table-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ipo-table {
    width: 100%;
    border-collapse: collapse;
}

.ipo-table tr {
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.ipo-table tr:last-child {
    border-bottom: none;
}

.ipo-table tr:hover {
    background: rgba(30, 64, 175, 0.04);
}

.ipo-label {
    padding: 18px 24px;
    font-weight: 500;
    color: var(--text-muted);
    width: 30%;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.ipo-label svg {
    color: var(--accent);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.ipo-value {
    padding: 18px 24px;
    font-weight: 600;
    font-size: 16px;
    color: var(--text);
}

.source-note {
    margin-top: 20px;
    padding: 14px 20px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.04), rgba(59, 130, 246, 0.02));
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.6;
}

.source-note svg {
    color: var(--accent);
    flex-shrink: 0;
}

/* ============================================
   RISK FACTORS
   ============================================ */
.risk-list-large {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.risk-item-large {
    display: flex;
    gap: 18px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    align-items: flex-start;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.risk-item-large:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.risk-badge-large {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    flex-shrink: 0;
    margin-top: 2px;
    white-space: nowrap;
}

.risk-item-large.high .risk-badge-large {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.risk-item-large.medium .risk-badge-large {
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.risk-item-large.low .risk-badge-large {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.risk-item-large.scam .risk-badge-large {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.risk-content-large h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.risk-content-large p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.risk-icon {
    margin-left: auto;
    flex-shrink: 0;
    align-self: center;
}

/* ============================================
   TAKEAWAY LIST
   ============================================ */
.takeaway-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.takeaway-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
}

.takeaway-item:hover {
    border-color: rgba(30, 64, 175, 0.2);
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.takeaway-item .tp-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.takeaway-item .tp-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.takeaway-item .tp-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   BIG CARD (Single Focus Slide)
   ============================================ */
.big-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.big-card:hover {
    box-shadow: var(--shadow);
}

.big-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.3);
}

.big-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.big-text {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 700px;
}

/* ============================================
   CTA SLIDE (Slide 17)
   ============================================ */
.slide-cta {
    background: var(--primary);
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    padding: 10px 28px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #ffffff;
    margin-bottom: 28px;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.3);
}

.cta-title {
    font-family: 'Playfair Display', serif;
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.cta-highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 40px;
}

.cta-card {
    width: 200px;
    padding: 28px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    cursor: default;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-card:hover {
    border-color: rgba(30, 64, 175, 0.2);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.cta-card svg {
    color: var(--accent);
    margin-bottom: 14px;
}

.cta-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.cta-card p {
    font-size: 13px;
    color: var(--text-muted);
}

.cta-contact {
    display: flex;
    gap: 36px;
    justify-content: center;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-secondary);
}

.contact-item svg {
    color: var(--accent);
}

.cta-disclaimer {
    max-width: 700px;
    margin: 0 auto;
}

.cta-disclaimer p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
}

.cta-footer-logo {
    margin-top: 32px;
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
}

/* ============================================
   OVERVIEW MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    background: var(--primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--danger);
    color: #ffffff;
}

.modal-body {
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    overflow-y: auto;
    max-height: calc(80vh - 70px);
}

.overview-item {
    aspect-ratio: 16/10;
    background: var(--primary);
    border: 2px solid var(--card-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    padding: 8px;
    color: var(--text-secondary);
}

.overview-item:hover {
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: var(--shadow);
}

.overview-item.active {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.08), rgba(59, 130, 246, 0.04));
    color: var(--accent);
}

/* ============================================
   KEYBOARD HINTS
   ============================================ */
.hints {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 24px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    border: 1px solid var(--card-border);
    z-index: 100;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    box-shadow: var(--shadow);
}

.hints:hover {
    opacity: 1;
}

.hints span {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

kbd {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-family: 'Inter', monospace;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .slide-title {
        padding: 40px;
        flex-direction: column;
    }
    
    .slide-visual {
        display: none;
    }
    
    .two-column {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .objectives-grid {
        grid-template-columns: 1fr;
    }
    
    .title-dangote, .title-refinery {
        font-size: 52px;
    }
    
    .big-card {
        padding: 24px;
    }
    
    .big-text {
        font-size: 16px;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .slide-content-slide {
        padding: 24px 40px 16px;
    }
    
    .slide-header {
        margin-bottom: 16px;
    }
    
    .slide-number {
        font-size: 40px;
    }
    
    .slide-title-text {
        font-size: 30px;
    }
    
    .risk-icon {
        display: none;
    }
    
    .step-icon-right {
        display: none;
    }
}

@media (max-width: 768px) {
    .slide-content-slide {
        padding: 20px 20px 12px;
    }
    
    .slide-title-text {
        font-size: 24px;
    }
    
    .slide-number {
        font-size: 32px;
    }
    
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-body {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hints {
        display: none;
    }
    
    #navbar {
        padding: 0 16px;
    }
    
    .nav-subtitle {
        display: none;
    }
    
    .nav-divider {
        display: none;
    }
    
    .objective-card {
        flex-direction: column;
        text-align: center;
    }
    
    .obj-number {
        margin: 0 auto;
    }
    
    .risk-item-large {
        flex-direction: column;
        gap: 10px;
    }
    
    .takeaway-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .takeaway-item .tp-number {
        margin: 0 auto;
    }
    
    .big-card {
        padding: 20px;
    }
    
    .big-card-icon {
        width: 48px;
        height: 48px;
    }
    
    .big-card h3 {
        font-size: 20px;
    }
    
    .big-text {
        font-size: 15px;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .slide-header {
        margin-bottom: 12px;
    }
}

@media (max-width: 480px) {
    .modal-body {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .objectives-grid {
        gap: 12px;
    }
    
    .title-dangote, .title-refinery {
        font-size: 36px;
    }
    
    .title-ipo {
        font-size: 16px;
    }
    
    .title-tagline {
        font-size: 16px;
    }
    
    .slide-number {
        font-size: 28px;
    }
    
    .slide-title-text {
        font-size: 20px;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-subtitle {
        font-size: 15px;
    }
    
    .big-card {
        padding: 16px;
    }
    
    .big-card h3 {
        font-size: 18px;
    }
    
    .big-text {
        font-size: 14px;
    }
    
    .countdown-banner {
        flex-direction: column;
        align-items: center;
        padding: 14px;
    }
    
    .countdown-timer {
        gap: 8px;
    }
    
    .cd-block {
        min-width: 40px;
    }
    
    .social-proof-stats {
        gap: 12px;
    }
    
    .sp-stat {
        padding: 12px 8px;
    }
    
    .sp-val {
        font-size: 22px;
    }
    
    .ipo-flow-diagram svg {
        height: 100px;
    }
    
    .speaker-notes {
        left: 8px;
        right: 8px;
        bottom: 48px;
        max-height: 140px;
    }
    
    .progress-dots {
        bottom: 8px;
        gap: 4px;
    }
    
    .progress-dots .dot {
        width: 5px;
        height: 5px;
    }
}

/* ============================================
   IPO FLOW DIAGRAM (Slide 5)
   ============================================ */
.ipo-flow-diagram {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 16px 24px;
    overflow: hidden;
}

.flow-svg text {
    font-family: 'Inter', sans-serif;
}

.flow-arrow {
    animation: flowPulse 2s ease-in-out infinite;
}

@keyframes flowPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============================================
   COUNTDOWN TIMER (Slide 9)
   ============================================ */
.countdown-banner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px 24px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.06), rgba(59, 130, 246, 0.03));
    border: 1px solid rgba(30, 64, 175, 0.15);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.countdown-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-label svg {
    opacity: 0.7;
}

.countdown-timer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cd-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 52px;
}

.cd-val {
    font-size: 26px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.cd-lbl {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.cd-sep {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.4;
    margin-top: -10px;
}

.countdown-dates {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: auto;
    padding: 6px 14px;
    background: rgba(30, 64, 175, 0.08);
    border-radius: 8px;
}

/* ============================================
   ANIMATED RISK SEVERITY ICONS
   ============================================ */
.risk-severity-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.risk-severity-icon.high-pulse {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    animation: highPulse 2s ease-in-out infinite;
}

.risk-severity-icon.medium-pulse {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    animation: mediumPulse 3s ease-in-out infinite;
}

.risk-severity-icon.low-pulse {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    animation: lowPulse 4s ease-in-out infinite;
}

.risk-severity-icon.scam-pulse {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    animation: scamPulse 1.5s ease-in-out infinite;
}

@keyframes highPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.2); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

@keyframes mediumPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.15); }
    50% { transform: scale(1.03); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
}

@keyframes lowPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes scamPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.3); }
    50% { transform: scale(1.08); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

/* ============================================
   SOCIAL PROOF STATS (Slide 17)
   ============================================ */
.social-proof-stats {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 32px;
}

.sp-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    min-width: 100px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sp-stat:hover {
    border-color: rgba(30, 64, 175, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.sp-icon {
    color: var(--accent);
    margin-bottom: 8px;
    opacity: 0.7;
}

.sp-val {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.sp-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* ============================================
   PROGRESS DOTS (Bottom)
   ============================================ */
.progress-dots {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 100;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid var(--card-border);
}

.progress-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--card-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.progress-dots .dot:hover {
    background: var(--text-muted);
    transform: scale(1.3);
}

.progress-dots .dot.active {
    background: var(--accent);
    width: 18px;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(30, 64, 175, 0.3);
}

/* ============================================
   SPEAKER NOTES PANEL
   ============================================ */
.speaker-notes {
    position: fixed;
    bottom: 52px;
    left: 32px;
    right: 32px;
    max-height: 180px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 500;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.speaker-notes.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.sn-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sn-close {
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.sn-close:hover {
    background: rgba(239, 68, 68, 0.5);
    color: white;
}

.sn-body {
    padding: 14px 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    overflow-y: auto;
    flex: 1;
}

.sn-body::-webkit-scrollbar {
    width: 4px;
}

.sn-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}