/* ==================== PRESENTATION PAGE STYLES ==================== */

.presentation-body {
    background: var(--bg-light);
}

.presentation-page {
    padding-top: 64px;
}

/* Slide Base */
.slide {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    position: relative;
}

.slide-content {
    max-width: 1000px;
    width: 100%;
    text-align: center;
}

.slide-label {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.slide h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

/* Slide 1: Title */
.slide-title {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, #1a365d 100%);
    position: relative;
    overflow: hidden;
}

.slide-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 40%, rgba(46, 134, 222, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 60%, rgba(84, 160, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.slide-title .slide-content {
    position: relative;
}

.slide-brand-mark {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 40px;
    color: white;
    margin: 0 auto 40px;
    box-shadow: 0 10px 40px rgba(46, 134, 222, 0.3);
}

.slide-title h1 {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    letter-spacing: -1px;
    line-height: 1.1;
}

.slide-title h2 {
    font-size: 28px;
    font-weight: 400;
    color: var(--accent-light);
    margin-bottom: 20px;
}

.slide-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.5);
    max-width: 600px;
    margin: 0 auto;
}

.slide-footer-info {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    gap: 40px;
}

.slide-footer-info span {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
    font-weight: 500;
}

/* Slide 2: Problem */
.slide-problem {
    background: white;
    border-bottom: 1px solid var(--border);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: left;
}

.problem-item {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}

.problem-item:hover {
    border-color: var(--danger);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.1);
}

.problem-icon {
    width: 48px;
    height: 48px;
    background: #FDE8E8;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 20px;
    color: var(--danger);
}

.problem-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.problem-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Slide 3: Solution */
.slide-solution {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.sol-feature {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.sol-feature:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.sol-feature i {
    font-size: 28px;
    color: var(--accent);
}

.sol-feature span {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
}

.solution-summary {
    background: var(--primary-dark);
    border-radius: var(--radius-md);
    padding: 20px;
}

.solution-summary p {
    color: white;
    font-size: 16px;
    margin: 0;
}

/* Slide 4: Impact */
.slide-impact {
    background: white;
    border-bottom: 1px solid var(--border);
}

.impact-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.impact-item {
    padding: 32px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.impact-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
    line-height: 1;
}

.impact-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Slide 5: Financial */
.slide-financial {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

.financial-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 32px;
}

.fin-block {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.cost-block {
    background: white;
    border: 2px solid var(--border);
}

.revenue-block {
    background: white;
    border: 2px solid var(--success);
}

.fin-block h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.fin-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.revenue-block .fin-value {
    color: var(--success);
}

.fin-block p {
    font-size: 12px;
    color: var(--text-light);
}

.fin-vs {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-light);
    background: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
}

.roi-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: white;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
}

.roi-badge i {
    font-size: 18px;
}

/* Slide 6: Why Us */
.slide-why-us {
    background: white;
    border-bottom: 1px solid var(--border);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    text-align: left;
}

.why-item {
    padding: 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.why-item:hover {
    border-color: var(--success);
    box-shadow: var(--shadow-sm);
}

.why-item i {
    color: var(--success);
    font-size: 20px;
    margin-bottom: 12px;
    display: block;
}

.why-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.why-item p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Slide 7: Next Steps */
.slide-next {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    position: relative;
    overflow: hidden;
}

.slide-next::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(46, 134, 222, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.slide-next .slide-content {
    position: relative;
}

.slide-next .slide-label {
    background: rgba(255,255,255,0.15);
}

.slide-next h2 {
    color: white;
}

.next-steps {
    max-width: 600px;
    margin: 0 auto 40px;
    text-align: left;
}

.next-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.next-step:last-child {
    border-bottom: none;
}

.next-num {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.next-text strong {
    display: block;
    color: white;
    font-size: 15px;
    margin-bottom: 4px;
}

.next-text p {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    line-height: 1.5;
}

.contact-cta {
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.1);
}

.contact-cta p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.contact-cta strong {
    color: var(--accent-light);
}

/* Responsive Presentation */
@media (max-width: 768px) {
    .slide {
        padding: 80px 16px;
        min-height: auto;
    }

    .slide-title h1 {
        font-size: 28px;
    }

    .slide-title h2 {
        font-size: 18px;
    }

    .slide h2 {
        font-size: 24px;
    }

    .problem-grid,
    .solution-features,
    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .impact-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .financial-comparison {
        grid-template-columns: 1fr;
    }

    .fin-vs {
        margin: 0 auto;
    }

    .slide-footer-info {
        flex-direction: column;
        gap: 8px;
    }
}