/* ============================================
   BANK OPERATIONS COPILOT - SLIDE PRESENTATION
   Modern, Professional, Animated
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --accent: #3182ce;
    --accent-gold: #d69e2e;
    --success: #38a169;
    --danger: #e53e3e;
    --warning: #dd6b20;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    --bg-dark: #0a1628;
    --bg-card: rgba(255, 255, 255, 0.08);
    --bg-card-hover: rgba(255, 255, 255, 0.12);
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 20px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Slide Container */
.slide-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Individual Slide */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100px) scale(0.95);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
    z-index: 10;
}

.slide.prev {
    transform: translateX(-100px) scale(0.95);
}

/* Background Image */
.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slide-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
    animation: slowZoom 20s ease-in-out infinite alternate;
}

@keyframes slowZoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.92) 0%,
        rgba(26, 54, 93, 0.85) 50%,
        rgba(10, 22, 40, 0.92) 100%
    );
}

/* Slide Content */
.slide-content {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 1400px;
    padding: 2rem;
}

.slide-content.center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Animations for content */
.slide.active .badge,
.slide.active .main-title,
.slide.active .subtitle,
.slide.active .divider,
.slide.active .description,
.slide.active .meta-info,
.slide.active .question-badge,
.slide.active h2,
.slide.active .section-subtitle,
.slide.active .section-desc,
.slide.active .feature-card,
.slide.active .info-card,
.slide.active .constraint-item,
.slide.active .cost-card,
.slide.active .strategy-item,
.slide.active .ops-column,
.slide.active .track-card,
.slide.active .cost-tab-section {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.slide.active .badge { animation-delay: 0.1s; }
.slide.active .main-title { animation-delay: 0.2s; }
.slide.active .subtitle { animation-delay: 0.3s; }
.slide.active .divider { animation-delay: 0.4s; }
.slide.active .description { animation-delay: 0.5s; }
.slide.active .meta-info { animation-delay: 0.6s; }
.slide.active .question-badge { animation-delay: 0.1s; }
.slide.active h2 { animation-delay: 0.2s; }
.slide.active .section-subtitle { animation-delay: 0.3s; }
.slide.active .section-desc { animation-delay: 0.3s; }
.slide.active .feature-card:nth-child(1) { animation-delay: 0.3s; }
.slide.active .feature-card:nth-child(2) { animation-delay: 0.4s; }
.slide.active .feature-card:nth-child(3) { animation-delay: 0.5s; }
.slide.active .info-card:nth-child(1) { animation-delay: 0.3s; }
.slide.active .info-card:nth-child(2) { animation-delay: 0.4s; }
.slide.active .info-card:nth-child(3) { animation-delay: 0.5s; }
.slide.active .constraint-item:nth-child(1) { animation-delay: 0.2s; }
.slide.active .constraint-item:nth-child(2) { animation-delay: 0.3s; }
.slide.active .constraint-item:nth-child(3) { animation-delay: 0.4s; }
.slide.active .constraint-item:nth-child(4) { animation-delay: 0.5s; }
.slide.active .cost-card:nth-child(1) { animation-delay: 0.3s; }
.slide.active .cost-arrow { animation-delay: 0.5s; }
.slide.active .cost-card:nth-child(3) { animation-delay: 0.7s; }
.slide.active .strategy-item:nth-child(1) { animation-delay: 0.2s; }
.slide.active .strategy-item:nth-child(2) { animation-delay: 0.4s; }
.slide.active .strategy-item:nth-child(3) { animation-delay: 0.6s; }
.slide.active .ops-column:nth-child(1) { animation-delay: 0.3s; }
.slide.active .ops-column:nth-child(2) { animation-delay: 0.5s; }
.slide.active .track-card:nth-child(1) { animation-delay: 0.3s; }
.slide.active .track-card:nth-child(2) { animation-delay: 0.4s; }
.slide.active .track-card:nth-child(3) { animation-delay: 0.5s; }
.slide.active .cost-tab-section:nth-child(1) { animation-delay: 0.15s; }
.slide.active .cost-tab-section:nth-child(2) { animation-delay: 0.25s; }
.slide.active .cost-tab-section:nth-child(3) { animation-delay: 0.35s; }
.slide.active .cost-tab-section:nth-child(4) { animation-delay: 0.45s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(49, 130, 206, 0.2);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

/* Question Badge */
.question-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
    color: var(--bg-dark);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

/* Main Title (Slide 1) */
.main-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 300;
    color: var(--accent);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-gold));
    border-radius: 2px;
    margin: 0 auto 1.5rem;
}

.description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 2rem;
}

.meta-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.meta-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Section Titles */
.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 800px;
    line-height: 1.6;
}

/* Content Grid (2 columns) */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.text-side h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.lead strong {
    color: var(--text-light);
}

/* Feature Cards */
.cards-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateX(5px);
    border-color: var(--accent);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.card-icon.blue {
    background: rgba(49, 130, 206, 0.2);
    color: var(--accent);
}

.card-icon.red {
    background: rgba(229, 62, 62, 0.2);
    color: var(--danger);
}

.card-icon.green {
    background: rgba(56, 161, 105, 0.2);
    color: var(--success);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Three Cards Layout */
.three-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
}

.info-card.onprem::before {
    background: var(--warning);
}

.info-card.cloud::before {
    background: var(--accent);
}

.info-card.hybrid::before {
    background: linear-gradient(90deg, var(--success), var(--accent-gold));
}

.info-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
}

.info-card.recommended {
    border-color: var(--accent-gold);
    box-shadow: 0 0 30px rgba(214, 158, 46, 0.15);
}

.card-header {
    margin-bottom: 1.2rem;
}

.card-header i {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    display: block;
}

.info-card.onprem .card-header i {
    color: var(--warning);
}

.info-card.cloud .card-header i {
    color: var(--accent);
}

.info-card.hybrid .card-header i {
    color: var(--accent-gold);
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.tag {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.tag.recommend {
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
    color: var(--bg-dark);
    font-weight: 600;
}

.info-card ul {
    list-style: none;
}

.info-card ul li {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    padding: 0.4rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.info-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Constraint Grid */
.constraint-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.constraint-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
}

.constraint-item:hover {
    transform: translateY(-3px);
    background: var(--bg-card-hover);
}

.constraint-num {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.05);
    font-family: 'Playfair Display', serif;
}

.constraint-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.constraint-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.constraint-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Cost Comparison */
.cost-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.cost-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    text-align: center;
    min-width: 280px;
    transition: var(--transition);
}

.cost-card:hover {
    transform: scale(1.02);
}

.cost-card.mvp {
    border-color: var(--accent);
}

.cost-card.growth {
    border-color: var(--success);
}

.cost-header {
    margin-bottom: 1rem;
}

.cost-header i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.cost-card.mvp .cost-header i {
    color: var(--accent);
}

.cost-card.growth .cost-header i {
    color: var(--success);
}

.cost-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.cost-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cost-amount {
    font-size: 2.5rem;
    font-weight: 900;
    margin: 1rem 0;
    font-family: 'Playfair Display', serif;
}

.cost-card.mvp .cost-amount {
    color: var(--accent);
}

.cost-card.growth .cost-amount {
    color: var(--success);
}

.cost-detail {
    text-align: left;
}

.cost-detail p {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cost-detail p i {
    color: var(--accent-gold);
    width: 20px;
}

.cost-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.cost-arrow i {
    font-size: 2rem;
    color: var(--accent-gold);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(5px); opacity: 0.7; }
}

.saving-badge {
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
    color: var(--bg-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
}

/* Strategy Timeline */
.strategy-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 1rem;
}

.strategy-item {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    align-items: flex-start;
}

.strategy-item:hover {
    background: var(--bg-card-hover);
    transform: translateX(5px);
}

.strategy-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
}

.strategy-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.strategy-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

.strategy-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.strategy-tags span {
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
    border-radius: 50px;
    background: rgba(49, 130, 206, 0.15);
    color: var(--accent);
    border: 1px solid rgba(49, 130, 206, 0.3);
}

/* Operations Columns */
.ops-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.ops-column {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.ops-column:hover {
    background: var(--bg-card-hover);
}

.ops-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.ops-header i {
    font-size: 1.5rem;
    color: var(--accent);
}

.ops-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.ops-items {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.ops-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ops-item > i {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    background: rgba(49, 130, 206, 0.15);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.ops-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.ops-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Track Cards */
.track-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}

.track-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.track-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-gold));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.track-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
}

.track-card:hover::after {
    transform: scaleX(1);
}

.track-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.2rem;
}

.track-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.track-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.track-match {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--success);
    font-weight: 600;
}

/* ============================================
   COST DETAIL SLIDE — MVP vs Growth
   ============================================ */

.cost-detail-slide .section-title {
    margin-bottom: 0.3rem;
}

.cost-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.8rem;
    margin-top: 0.5rem;
    height: calc(100vh - 180px);
    max-height: 520px;
}

.cost-tab-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem 1.2rem;
    backdrop-filter: blur(10px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cost-tab-section:hover {
    background: var(--bg-card-hover);
}

.tab-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.tab-header.compact {
    margin-bottom: 0.4rem;
    padding-bottom: 0.3rem;
}

.tab-header > i {
    font-size: 1.3rem;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.1rem;
    line-height: 1.2;
}

.tab-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.3;
    display: block;
}

.tab-total {
    margin-left: auto;
    font-size: 1rem;
    font-weight: 800;
    color: var(--accent);
    white-space: nowrap;
    text-align: right;
}

.tab-total.green {
    color: var(--success);
}

.tab-total.orange {
    color: var(--warning);
}

.tab-total small {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    display: block;
}

/* Cost Table */
.cost-table-wrap {
    overflow-y: auto;
    flex: 1;
}

.cost-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.cost-table thead th {
    text-align: left;
    padding: 0.35rem 0.5rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.cost-table tbody td {
    padding: 0.3rem 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-light);
    vertical-align: middle;
}

.cost-table tbody td i {
    color: var(--accent);
    margin-right: 0.3rem;
    width: 16px;
    text-align: center;
    font-size: 0.75rem;
}

.cost-table tbody tr:hover td {
    background: rgba(255,255,255,0.03);
}

.cost-table tfoot td {
    padding: 0.4rem 0.5rem;
    border-top: 2px solid var(--border);
    font-size: 0.85rem;
}

.cost-table .text-right {
    text-align: right;
    font-weight: 600;
    white-space: nowrap;
}

.highlight-blue {
    color: var(--accent);
    font-size: 1rem;
}

/* Cost Note */
.cost-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.4rem;
    padding: 0.35rem 0.6rem;
    background: rgba(214, 158, 46, 0.1);
    border: 1px solid rgba(214, 158, 46, 0.2);
    border-radius: 8px;
    font-size: 0.72rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.cost-note i {
    font-size: 0.8rem;
}

/* Growth Section */
.growth-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0.8rem;
    flex: 1;
    overflow: hidden;
}

.growth-reason {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.growth-reason h4 {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-gold);
}

.growth-reason h4 i {
    margin-right: 0.3rem;
}

.reuse-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    padding: 0.25rem 0.6rem;
    border-radius: 50px;
    background: rgba(56, 161, 105, 0.15);
    color: var(--success);
    border: 1px solid rgba(56, 161, 105, 0.3);
}

.chip i {
    font-size: 0.6rem;
}

.reuse-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

.reuse-note strong {
    color: var(--text-light);
    font-style: normal;
}

.growth-table-wrap {
    overflow-y: auto;
}

.cost-table.small {
    font-size: 0.75rem;
}

.cost-table.small thead th {
    font-size: 0.65rem;
    padding: 0.3rem 0.4rem;
}

.cost-table.small tbody td {
    padding: 0.25rem 0.4rem;
}

/* OPEX Grid */
.opex-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    flex: 1;
}

.opex-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.7rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
    gap: 0.2rem;
}

.opex-item i {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

.opex-name {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.opex-price {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-gold);
}

/* Why Cheaper */
.why-cheaper .tab-header > i {
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    flex: 1;
    align-items: center;
}

.why-reuse h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--success);
}

.why-reuse h4 i {
    margin-right: 0.3rem;
}

.why-reuse ul {
    list-style: none;
}

.why-reuse ul li {
    font-size: 0.8rem;
    padding: 0.2rem 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.why-reuse ul li i {
    color: var(--success);
    font-size: 0.75rem;
}

.why-add h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.why-add h4 i {
    margin-right: 0.3rem;
}

.add-items {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.add-tag {
    display: inline-block;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(49, 130, 206, 0.2), rgba(49, 130, 206, 0.1));
    color: var(--accent);
    border: 1px solid rgba(49, 130, 206, 0.3);
    text-align: center;
    font-weight: 600;
}

/* ============================================
   COST SLIDES — NEW LAYOUTS
   ============================================ */

/* Slide 5: MVP Big Table */
.cost-big-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    margin-top: 1rem;
}

.cost-table.large {
    font-size: 1rem;
}

.cost-table.large thead th {
    font-size: 0.85rem;
    padding: 0.6rem 0.8rem;
}

.cost-table.large tbody td {
    padding: 0.6rem 0.8rem;
}

.cost-table.large tbody td i {
    font-size: 0.9rem;
    width: 20px;
}

.cost-table.large tfoot td {
    font-size: 1.1rem;
    padding: 0.7rem 0.8rem;
}

.cost-note.large {
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    margin-top: 0.8rem;
}

.highlight-green {
    color: var(--success);
    font-size: 1.15rem;
}

/* Slide 6: Growth Layout */
.growth-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.growth-insight {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.insight-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--bg-dark);
    margin-bottom: 1.2rem;
}

.growth-insight h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.growth-insight > p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.reuse-chips.large {
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.reuse-chips.large .chip {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
}

.insight-highlight {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-style: italic;
}

.insight-highlight strong {
    color: var(--accent-gold);
    font-style: normal;
}

.growth-table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.8rem;
    backdrop-filter: blur(10px);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.growth-table-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--success);
}

.growth-table-card h4 i {
    margin-right: 0.4rem;
}

/* Slide 7: OPEX Cards */
.opex-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
    width: 100%;
    max-width: 1100px;
}

.opex-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    backdrop-filter: blur(10px);
    text-align: center;
    transition: var(--transition);
}

.opex-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--accent-gold);
}

.opex-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.opex-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--text-light);
}

.opex-card-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent-gold);
    font-family: 'Playfair Display', serif;
}

.opex-card > p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.opex-total {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(214, 158, 46, 0.15), rgba(214, 158, 46, 0.05));
    border: 1px solid rgba(214, 158, 46, 0.3);
    border-radius: 50px;
    padding: 0.8rem 2rem;
    margin-top: 1rem;
}

.opex-total-label {
    font-size: 1rem;
    color: var(--text-muted);
}

.opex-total-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    font-family: 'Playfair Display', serif;
}

/* Slide 8: Why 80% */
.why-80-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    width: 100%;
    max-width: 1000px;
}

.why-reuse-side,
.why-add-side {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    text-align: center;
    min-width: 280px;
    transition: var(--transition);
}

.why-reuse-side:hover,
.why-add-side:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
}

.why-icon-big {
    width: 80px;
    height: 80px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--success), #2f855a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    margin: 0 auto 1.2rem;
}

.why-icon-big.add {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
}

.why-reuse-side h3,
.why-add-side h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.why-reuse-side ul {
    list-style: none;
    text-align: left;
}

.why-reuse-side ul li {
    font-size: 1.05rem;
    padding: 0.4rem 0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.why-reuse-side ul li i {
    color: var(--success);
}

.why-arrow {
    font-size: 2rem;
    color: var(--accent-gold);
    animation: pulse 2s infinite;
}

.add-tags-big {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.add-tag-big {
    display: block;
    font-size: 1.1rem;
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(49, 130, 206, 0.2), rgba(49, 130, 206, 0.1));
    color: var(--accent);
    border: 1px solid rgba(49, 130, 206, 0.3);
    font-weight: 700;
}

.saving-highlight {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--accent-gold), #ed8936);
    color: var(--bg-dark);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 1.5rem;
}

.saving-highlight i {
    font-size: 1.4rem;
}

.saving-highlight strong {
    font-size: 1.5rem;
}

/* Animations for new cost slides */
.slide.active .cost-big-table { animation: fadeInUp 0.6s ease forwards; animation-delay: 0.2s; opacity: 0; }
.slide.active .cost-note.large { animation: fadeInUp 0.6s ease forwards; animation-delay: 0.4s; opacity: 0; }
.slide.active .growth-left { animation: fadeInUp 0.6s ease forwards; animation-delay: 0.2s; opacity: 0; }
.slide.active .growth-right { animation: fadeInUp 0.6s ease forwards; animation-delay: 0.4s; opacity: 0; }
.slide.active .opex-card:nth-child(1) { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.15s; opacity: 0; }
.slide.active .opex-card:nth-child(2) { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.25s; opacity: 0; }
.slide.active .opex-card:nth-child(3) { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.35s; opacity: 0; }
.slide.active .opex-card:nth-child(4) { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.45s; opacity: 0; }
.slide.active .opex-total { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.6s; opacity: 0; }
.slide.active .why-reuse-side { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.2s; opacity: 0; }
.slide.active .why-arrow { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.4s; opacity: 0; }
.slide.active .why-add-side { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.6s; opacity: 0; }
.slide.active .saving-highlight { animation: fadeInUp 0.5s ease forwards; animation-delay: 0.8s; opacity: 0; }

/* Navigation */
.slide-nav {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(10, 22, 40, 0.8);
    backdrop-filter: blur(20px);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--border);
}

.nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1rem;
}

.nav-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.1);
}

.slide-counter {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 60px;
    text-align: center;
}

.slide-counter #current {
    color: var(--accent);
    font-size: 1.1rem;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.05);
    z-index: 100;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-gold));
    transition: width 0.4s ease;
    width: 12.5%;
}

/* Keyboard Hint */
.keyboard-hint {
    position: fixed;
    bottom: 1rem;
    right: 1.5rem;
    z-index: 100;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.keyboard-hint:hover {
    opacity: 1;
}

.keyboard-hint .sep {
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .three-cards,
    .track-cards {
        grid-template-columns: 1fr;
    }
    
    .constraint-grid {
        grid-template-columns: 1fr;
    }
    
    .cost-comparison {
        flex-direction: column;
    }
    
    .cost-arrow {
        transform: rotate(90deg);
    }
    
    .ops-columns {
        grid-template-columns: 1fr;
    }
    
    .slide-content {
        width: 95%;
        padding: 1rem;
    }
    
    .cost-tabs {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        height: auto;
        max-height: none;
        overflow-y: auto;
    }
    
    .cost-tab-section {
        min-height: 200px;
    }
    
    .growth-content {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .growth-layout {
        grid-template-columns: 1fr;
    }
    
    .opex-cards {
        grid-template-columns: 1fr 1fr;
    }
    
    .why-80-layout {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .why-arrow {
        transform: rotate(90deg);
    }
    
    .cost-big-table {
        padding: 1rem;
    }
    
    .cost-table.large {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 16px;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .keyboard-hint {
        display: none;
    }
    
    .slide-nav {
        padding: 0.6rem 1rem;
        gap: 1rem;
    }
    
    .nav-btn {
        width: 36px;
        height: 36px;
    }
}

/* Print styles */
@media print {
    .slide-nav,
    .progress-bar,
    .keyboard-hint {
        display: none !important;
    }
    
    .slide {
        position: relative;
        opacity: 1;
        visibility: visible;
        transform: none;
        page-break-after: always;
        height: 100vh;
    }
}