/* ============================================
   SkyCodeHub Pitch Deck - Professional Theme
   Clean · Modern · Gradient Tech · High Trust
   ============================================ */

/* === CSS Variables (Theme Tokens) === */
:root {
    /* Primary Gradient */
    --gradient-primary: linear-gradient(135deg, #4E5BFF 0%, #A548FF 100%);
    --gradient-primary-reverse: linear-gradient(135deg, #A548FF 0%, #4E5BFF 100%);
    
    /* Brand Palette */
    --color-primary-blue: #4E5BFF;
    --color-primary-purple: #A548FF;
    --color-heading: #0E1B39;
    --color-body: #4A4A4A;
    --color-body-light: #6B7280;
    --color-bg-light: #F7F8FF;
    --color-bg-white: #FFFFFF;
    --color-bg-accent: #EDEAFF;
    --color-divider: #E3E6F0;
    --color-success: #38D6A6;
    --color-warning: #FFB44C;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-2xl: 80px;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 999px;
    
    /* Shadows */
    --shadow-card: 0px 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0px 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-elevated: 0px 12px 40px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg-light);
    color: var(--color-body);
    overflow-x: hidden;
    line-height: 1.6;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-heading);
    font-weight: 800;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Slide Base === */
.slide {
    width: 100%;
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-accent) 100%);
}

.slide-number {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-lg);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-body-light);
}

/* === Navigation Dots === */
.nav-dots {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.nav-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-divider);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav-dot:hover,
.nav-dot.active {
    background: var(--color-primary-blue);
    transform: scale(1.4);
}

/* === Slide 1: Title (Dark Gradient) === */
.slide-1 {
    background: var(--gradient-primary);
    text-align: center;
    align-items: center;
    position: relative;
}

.slide-1::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.slide-1 .brand-logo-wrapper {
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-md);
}

.slide-1 .brand-logo-wrapper img {
    height: 100px;
    width: auto;
    filter: brightness(0) invert(1);
}

.slide-1 .logo {
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.slide-1 .tagline {
    font-size: clamp(18px, 2.5vw, 28px);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.slide-1 .subtitle {
    font-size: clamp(14px, 1.5vw, 18px);
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    z-index: 1;
}

.slide-1 .slide-number {
    color: rgba(255, 255, 255, 0.4);
}

/* === Slide 2: Problem === */
.slide-2 {
    background: var(--color-bg-white);
}

.slide-2 .header {
    margin-bottom: var(--spacing-xl);
}

.slide-2 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.slide-2 .header h2 i {
    color: var(--color-primary-purple);
    margin-right: var(--spacing-sm);
}

.slide-2 .header p {
    font-size: clamp(16px, 1.5vw, 20px);
    color: var(--color-body-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.problem-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-divider);
    border-left: 6px solid var(--color-primary-purple);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.problem-card .icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-primary-purple);
    flex-shrink: 0;
}

.problem-card .stat {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-heading);
    margin-top: 6px;
}

.problem-card p {
    font-size: 14px;
    color: var(--color-body-light);
    margin-top: 4px;
}

.problem-result {
    margin-top: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(165, 72, 255, 0.08), rgba(78, 91, 255, 0.08));
    border: 2px solid rgba(165, 72, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
}

.problem-result p {
    font-size: clamp(16px, 1.8vw, 22px);
    color: var(--color-primary-purple);
    font-weight: 600;
}

/* === Slide 3: Solution === */
.slide-3 {
    background: var(--color-bg-white);
}

.slide-3 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: var(--spacing-xs);
}

.slide-3 .header h2 i {
    color: var(--color-success);
    margin-right: var(--spacing-sm);
}

.slide-3 .header p {
    font-size: clamp(16px, 1.5vw, 20px);
    color: var(--color-body-light);
    margin-bottom: var(--spacing-lg);
}

.solution-main {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.solution-left {
    flex: 1;
}

.solution-logo {
    font-size: clamp(32px, 3.5vw, 42px);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.solution-desc {
    font-size: clamp(16px, 1.3vw, 18px);
    color: var(--color-body);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.solution-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-divider);
}

.solution-feature i {
    color: var(--color-primary-blue);
    font-size: 16px;
}

.solution-feature span {
    font-size: 14px;
    color: var(--color-body);
    font-weight: 500;
}

.solution-right {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.solution-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--color-primary-blue);
}

.solution-card i {
    font-size: 36px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.solution-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-heading);
}

/* === Slide 4: Features === */
.slide-4 {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-accent) 100%);
}

.slide-4 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--color-primary-blue);
}

.feature-card .icon-wrapper {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.feature-card .icon-wrapper i {
    font-size: 28px;
    color: #FFFFFF;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-size: 14px;
    color: var(--color-body-light);
    line-height: 1.6;
}

/* === Slide 5: How It Works === */
.slide-5 {
    background: var(--color-bg-white);
}

.slide-5 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.slide-5 .header h2 i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: var(--spacing-sm);
}

.process-flow {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-flow::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 15%;
    right: 15%;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
    max-width: 200px;
}

.process-step .number {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 10px 30px rgba(78, 91, 255, 0.3);
}

.process-step .number i {
    font-size: 36px;
    color: #FFFFFF;
}

.process-step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.process-step p {
    font-size: 14px;
    color: var(--color-body-light);
}

.process-step .time {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 6px 14px;
    background: var(--color-bg-accent);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--color-primary-blue);
    font-weight: 600;
}

.go-live-banner {
    margin-top: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(78, 91, 255, 0.08), rgba(165, 72, 255, 0.08));
    border: 2px solid rgba(78, 91, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.go-live-banner p {
    font-size: clamp(18px, 2vw, 24px);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* === Slide 6: User Roles === */
.slide-6 {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-accent) 100%);
}

.slide-6 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.slide-6 .header h2 i {
    color: var(--color-primary-purple);
    margin-right: var(--spacing-sm);
}

.roles-hierarchy {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.role-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-divider);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.role-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-card-hover);
}

.role-card.orgadmin {
    margin-left: 40px;
    border-left: 4px solid var(--color-primary-purple);
}

.role-card.teacher {
    margin-left: 80px;
    border-left: 4px solid var(--color-primary-blue);
}

.role-card.student {
    margin-left: 120px;
    border-left: 4px solid var(--color-success);
}

.role-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.role-card.orgadmin .icon { background: rgba(165, 72, 255, 0.1); color: var(--color-primary-purple); }
.role-card.teacher .icon { background: rgba(78, 91, 255, 0.1); color: var(--color-primary-blue); }
.role-card.student .icon { background: rgba(56, 214, 166, 0.1); color: var(--color-success); }

.role-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.role-card p {
    font-size: 14px;
    color: var(--color-body-light);
}

/* Role Cards with Screenshots */
.roles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.role-card-with-image {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-divider);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-align: center;
}

.role-card-with-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
}

.role-card-with-image.orgadmin {
    border-top: 5px solid var(--color-primary-purple);
}

.role-card-with-image.teacher {
    border-top: 5px solid var(--color-primary-blue);
}

.role-card-with-image.student {
    border-top: 5px solid var(--color-success);
}

.role-card-with-image .role-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.role-card-with-image .icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.role-card-with-image.orgadmin .icon { background: rgba(165, 72, 255, 0.1); color: var(--color-primary-purple); }
.role-card-with-image.teacher .icon { background: rgba(78, 91, 255, 0.1); color: var(--color-primary-blue); }
.role-card-with-image.student .icon { background: rgba(56, 214, 166, 0.1); color: var(--color-success); }

.role-card-with-image h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.role-card-with-image p {
    font-size: 13px;
    color: var(--color-body-light);
    line-height: 1.5;
}

.role-screenshot {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-divider);
}

.role-screenshot img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.role-card-with-image:hover .role-screenshot img {
    transform: scale(1.02);
}

/* Responsive for role cards with images */
@media (max-width: 1024px) {
    .roles-grid {
        grid-template-columns: 1fr;
        max-width: 800px;
    }
    
    .role-card-with-image {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .role-screenshot {
        width: 100%;
    }
}

/* === Slide 7: Impact === */
.slide-7 {
    background: var(--color-bg-white);
}

.slide-7 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.slide-7 .header h2 i {
    color: var(--color-success);
    margin-right: var(--spacing-sm);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.impact-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.impact-card:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-elevated);
}

.impact-card .stat {
    font-size: clamp(40px, 4vw, 56px);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.impact-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-heading);
    margin-top: var(--spacing-sm);
}

.impact-card p {
    font-size: 14px;
    color: var(--color-body-light);
    margin-top: 4px;
}

.impact-quote {
    margin-top: var(--spacing-lg);
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-left: 6px solid var(--color-primary-purple);
}

.impact-quote p {
    font-size: clamp(18px, 2vw, 24px);
    color: var(--color-primary-purple);
    font-style: italic;
    font-weight: 500;
}

/* === Slide 9: Pricing === */
.slide-9 {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-accent) 100%);
}

.slide-9 .header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.slide-9 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.slide-9 .header h2 i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: var(--spacing-sm);
}

.slide-9 .header .subtitle {
    font-size: 18px;
    color: var(--color-body-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: left;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elevated);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary-blue);
    position: relative;
}

.pricing-card.featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #FFFFFF;
    padding: 4px 16px;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.pricing-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.pricing-card .desc {
    font-size: 14px;
    color: var(--color-body-light);
    margin-bottom: var(--spacing-md);
}

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

.pricing-card ul li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-body);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.pricing-card ul li i {
    color: var(--color-success);
    margin-top: 2px;
}

/* === Slide 10: Leadership === */
.slide-10 {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #FEF3C7 50%, var(--color-bg-accent) 100%);
}

.slide-10 .header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.slide-10 .header h2 {
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-heading);
    margin-bottom: var(--spacing-xs);
}

.slide-10 .header .subtitle {
    font-size: 18px;
    color: var(--color-body-light);
}

.founder-main {
    max-width: 420px;
    margin: 0 auto var(--spacing-lg) auto;
    background: #FFF7ED;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: var(--shadow-elevated);
    text-align: center;
}

.founder-main .founder-photo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.founder-main .founder-photo img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 4px solid #FDE68A;
    box-shadow: 0 12px 28px rgba(234, 179, 8, 0.35);
}

.founder-badge {
    display: inline-block;
    margin-bottom: var(--spacing-xs);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    background: var(--color-warning);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
}

.founder-main .founder-details h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-heading);
}

.founder-main .founder-details .role {
    font-size: 14px;
    color: var(--color-warning);
    margin-top: 2px;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.founder-main .founder-details ul {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.founder-main .founder-details ul li {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-full);
    padding: 8px 14px;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--color-body);
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.founder-main .founder-details ul li i {
    color: var(--color-warning);
}

.founder-main .founder-links,
.founder-card .founder-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.founder-main .founder-links a,
.founder-card .founder-links a {
    color: var(--color-heading);
    font-size: 18px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.founder-main .founder-links a:hover,
.founder-card .founder-links a:hover {
    color: var(--color-primary-blue);
}

.founder-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.founder-card {
    background: #E0F2FE;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-card);
}

.founder-card:nth-child(2) {
    background: #EEF2FF;
}

.founder-card:nth-child(3) {
    background: #FEE2E2;
}

.founder-card .founder-photo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.founder-card .founder-photo img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.founder-card .founder-details h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-heading);
}

.founder-card .founder-details .role {
    font-size: 13px;
    color: var(--color-body-light);
    margin-top: 2px;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.founder-card .founder-details ul {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.founder-card .founder-details ul li {
    font-size: 12px;
    color: var(--color-body);
    line-height: 1.5;
}

/* === Slide 11: CTA (Dark Gradient) === */
.slide-11 {
    background: var(--gradient-primary);
    text-align: center;
    align-items: center;
}

.slide-11::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: var(--spacing-sm);
}

.cta-content .subtitle {
    font-size: clamp(18px, 2vw, 24px);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    margin-top: var(--spacing-lg);
}

.contact-info h4 {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-details a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-details a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.slide-11 .slide-number {
    color: rgba(255, 255, 255, 0.4);
}

.values-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(15, 23, 42, 0.35);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
}

.values-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(209, 213, 219, 0.9);
    margin-bottom: var(--spacing-xs);
}

.values-title {
    font-size: clamp(20px, 2.2vw, 24px);
    color: #FFFFFF;
    margin-bottom: var(--spacing-md);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.value-card {
    background: rgba(15, 23, 42, 0.55);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    text-align: left;
}

.value-icon {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

.value-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: var(--spacing-xs);
}

.value-card p {
    font-size: 14px;
    color: rgba(229, 231, 235, 0.9);
    line-height: 1.6;
}

/* === Responsive Design === */

/* === Image Lightbox (for screenshots) === */
.image-lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.image-lightbox-overlay.active {
    display: flex;
}

.image-lightbox-dialog {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-elevated);
    overflow: hidden;
}

.image-lightbox-dialog img {
    display: block;
    max-width: 100%;
    max-height: 90vh;
}

.image-lightbox-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: none;
    background: rgba(15, 23, 42, 0.75);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-lightbox-close:hover {
    background: rgba(15, 23, 42, 0.9);
}

/* Large screens (1400px+) */
@media (min-width: 1400px) {
    .slide {
        padding: 80px 120px;
    }
    
    /* Our Values Section - Large Screens */
    .values-section {
        margin-top: var(--spacing-2xl);
        padding: var(--spacing-xl) var(--spacing-lg);
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .values-grid {
        gap: var(--spacing-lg);
    }
    
    .value-card {
        padding: var(--spacing-lg);
        min-height: 180px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
    
    .value-icon {
        font-size: 32px;
        margin-bottom: var(--spacing-md);
    }
    
    .value-card h4 {
        font-size: 18px;
        margin-bottom: var(--spacing-sm);
    }
    
    .value-card p {
        font-size: 15px;
        line-height: 1.7;
    }
    
    /* How It Works Section - Large Screens */
    .process-flow {
        max-width: 1200px;
        gap: var(--spacing-xl);
    }
    
    .process-flow::before {
        top: 60px;
        left: 10%;
        right: 10%;
        height: 6px;
    }
    
    .process-step {
        max-width: 280px;
    }
    
    .process-step .number {
        width: 120px;
        height: 120px;
        margin-bottom: var(--spacing-lg);
        box-shadow: 0 15px 40px rgba(78, 91, 255, 0.4);
    }
    
    .process-step .number i {
        font-size: 42px;
    }
    
    .process-step h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }
    
    .process-step p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }
    
    .process-step .time {
        font-size: 14px;
        padding: 8px 18px;
    }
    
    .go-live-banner {
        margin-top: var(--spacing-2xl);
        padding: var(--spacing-lg);
    }
    
    .go-live-banner p {
        font-size: clamp(20px, 2.2vw, 26px);
    }
}

/* Laptops (1024px - 1399px) */
@media (max-width: 1399px) {
    .slide {
        padding: 60px 80px;
    }
    
    /* Our Values Section - Laptops */
    .values-section {
        margin-top: var(--spacing-xl);
        padding: var(--spacing-lg) var(--spacing-md);
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .values-grid {
        gap: var(--spacing-md);
    }
    
    .value-card {
        padding: var(--spacing-md);
        min-height: 160px;
    }
    
    .value-icon {
        font-size: 28px;
        margin-bottom: var(--spacing-sm);
    }
    
    .value-card h4 {
        font-size: 17px;
        margin-bottom: var(--spacing-xs);
    }
    
    .value-card p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    /* How It Works Section - Laptops */
    .process-flow {
        max-width: 1000px;
        gap: var(--spacing-lg);
    }
    
    .process-flow::before {
        top: 55px;
        left: 12%;
        right: 12%;
        height: 5px;
    }
    
    .process-step {
        max-width: 240px;
    }
    
    .process-step .number {
        width: 110px;
        height: 110px;
        margin-bottom: var(--spacing-md);
        box-shadow: 0 12px 35px rgba(78, 91, 255, 0.35);
    }
    
    .process-step .number i {
        font-size: 38px;
    }
    
    .process-step h3 {
        font-size: 19px;
        margin-bottom: var(--spacing-xs);
    }
    
    .process-step p {
        font-size: 15px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
    }
    
    .process-step .time {
        font-size: 13px;
        padding: 7px 16px;
    }
    
    .go-live-banner {
        margin-top: var(--spacing-xl);
        padding: var(--spacing-md);
    }
    
    .go-live-banner p {
        font-size: clamp(18px, 2vw, 24px);
    }
}

/* Tablets (768px - 1023px) */
@media (max-width: 1023px) {
    .slide {
        padding: 50px 40px;
    }
    
    .nav-dots {
        right: 16px;
    }
    
    .problem-grid,
    .features-grid,
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-main {
        flex-direction: column;
    }
    
    .solution-right {
        width: 100%;
    }
    
    .process-flow {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
        justify-content: center;
    }
    
    .process-flow::before {
        display: none;
    }
    
    .process-step {
        flex: 0 0 45%;
        max-width: none;
        margin-bottom: var(--spacing-md);
    }
    
    /* How It Works Section - Tablets Enhanced */
    .process-flow {
        gap: var(--spacing-xl);
        max-width: 800px;
        margin: 0 auto;
    }
    
    .process-step .number {
        width: 90px;
        height: 90px;
        margin-bottom: var(--spacing-sm);
        box-shadow: 0 8px 25px rgba(78, 91, 255, 0.3);
    }
    
    .process-step .number i {
        font-size: 32px;
    }
    
    .process-step h3 {
        font-size: 18px;
        margin-bottom: var(--spacing-xs);
    }
    
    .process-step p {
        font-size: 14px;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
    }
    
    .process-step .time {
        font-size: 12px;
        padding: 6px 14px;
    }
    
    .go-live-banner {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .go-live-banner p {
        font-size: clamp(16px, 2.5vw, 20px);
    }
    
    .role-card.orgadmin,
    .role-card.teacher,
    .role-card.student {
        margin-left: 0;
    }
    
    .founder-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Our Values Section - Tablet Responsive */
    .values-section {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .value-card {
        padding: var(--spacing-sm);
    }
    
    .value-icon {
        font-size: 20px;
        margin-bottom: var(--spacing-xs);
    }
    
    .value-card h4 {
        font-size: 15px;
    }
    
    .value-card p {
        font-size: 13px;
    }
}

/* Mobile (up to 767px) */
@media (max-width: 767px) {
    .slide {
        padding: 40px 24px;
        min-height: auto;
        padding-top: 60px;
        padding-bottom: 60px;
    }
    
    .nav-dots {
        display: none;
    }
    
    .slide-number {
        position: relative;
        bottom: auto;
        right: auto;
        text-align: center;
        margin-top: var(--spacing-lg);
    }
    
    .problem-grid,
    .features-grid,
    .impact-grid,
    .solution-features,
    .solution-right,
    .founder-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex: 0 0 100%;
    }
    
    .process-step .number {
        width: 80px;
        height: 80px;
    }
    
    .process-step .number i {
        font-size: 28px;
    }
    
    /* How It Works Section - Mobile Enhanced */
    .process-flow {
        gap: var(--spacing-lg);
        max-width: 400px;
        margin: 0 auto;
    }
    
    .process-step {
        text-align: center;
        padding: var(--spacing-sm);
        background: rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-lg);
        border: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: var(--spacing-md);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .process-step:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(78, 91, 255, 0.2);
    }
    
    .process-step .number {
        width: 70px;
        height: 70px;
        margin: 0 auto var(--spacing-sm);
        box-shadow: 0 6px 20px rgba(78, 91, 255, 0.25);
    }
    
    .process-step .number i {
        font-size: 26px;
    }
    
    .process-step h3 {
        font-size: 17px;
        margin-bottom: var(--spacing-xs);
    }
    
    .process-step p {
        font-size: 14px;
        line-height: 1.4;
        margin-bottom: var(--spacing-sm);
    }
    
    .process-step .time {
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .go-live-banner {
        margin-top: var(--spacing-md);
        padding: var(--spacing-sm);
    }
    
    .go-live-banner p {
        font-size: clamp(14px, 3vw, 18px);
        text-align: center;
        line-height: 1.4;
    }
    
    .contact-details {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .contact-details a {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .founder-main {
        max-width: 100%;
    }
    
    .founder-main .founder-photo img {
        width: 100px;
        height: 100px;
    }
    
    .founder-card .founder-photo img {
        width: 70px;
        height: 70px;
    }
    
    /* Our Values Section - Mobile Responsive */
    .values-section {
        margin-top: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-xs);
    }
    
    .values-title {
        font-size: clamp(18px, 4vw, 22px);
        margin-bottom: var(--spacing-sm);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .value-card {
        padding: var(--spacing-sm);
        text-align: center;
    }
    
    .value-icon {
        font-size: 28px;
        margin-bottom: var(--spacing-xs);
    }
    
    .value-card h4 {
        font-size: 16px;
        margin-bottom: 6px;
    }
    
    .value-card p {
        font-size: 14px;
        line-height: 1.5;
    }
}

/* Small phones (up to 480px) */
@media (max-width: 480px) {
    .slide {
        padding: 32px 16px;
    }
    
    .slide-1 .brand-logo-wrapper img {
        height: 60px;
    }
    
    .problem-card {
        flex-direction: column;
        text-align: center;
    }
    
    .problem-card .icon {
        margin: 0 auto;
    }
    
    .role-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .role-card .icon {
        margin: 0 auto var(--spacing-sm);
    }
    
    /* Our Values Section - Small Phones Responsive */
    .values-section {
        margin-top: var(--spacing-sm);
        padding: var(--spacing-sm);
    }
    
    .values-label {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .values-title {
        font-size: clamp(16px, 5vw, 20px);
        margin-bottom: var(--spacing-xs);
    }
    
    .values-grid {
        gap: var(--spacing-xs);
    }
    
    .value-card {
        padding: var(--spacing-xs);
    }
    
    .value-icon {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .value-card h4 {
        font-size: 15px;
        margin-bottom: 4px;
    }
    
    .value-card p {
        font-size: 13px;
        line-height: 1.4;
    }
    
    /* How It Works Section - Small Phones */
    .process-flow {
        gap: var(--spacing-md);
        max-width: 300px;
    }
    
    .process-step {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .process-step .number {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-xs);
        box-shadow: 0 4px 15px rgba(78, 91, 255, 0.2);
    }
    
    .process-step .number i {
        font-size: 22px;
    }
    
    .process-step h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    
    .process-step p {
        font-size: 13px;
        line-height: 1.3;
        margin-bottom: var(--spacing-xs);
    }
    
    .process-step .time {
        font-size: 11px;
        padding: 4px 10px;
    }
    
    .go-live-banner {
        margin-top: var(--spacing-sm);
        padding: var(--spacing-xs);
    }
    
    .go-live-banner p {
        font-size: clamp(13px, 4vw, 16px);
        line-height: 1.3;
    }
}

/* Print styles */
@media print {
    .slide {
        page-break-after: always;
        min-height: 100vh;
    }
    
    .nav-dots {
        display: none;
    }
}