:root {
    --bg-dark: #0a0e1a;
    --bg-darker: #050810;
    --accent-blue: #4f9eff;
    --accent-gold: #f5a623;
    --text-white: #ffffff;
    --text-gray: #b8c5d6;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-darker);
    color: var(--text-white);
    overflow: hidden;
    position: relative;
}

/* Navigation */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-progress {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* Slides Container */
.slides-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
}

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

.slide.active .fade-in-up,
.slide.active .fade-in-left,
.slide.active .fade-in-right {
    animation-play-state: running;
}

/* Slide Content */
.slide-content {
    position: relative;
    z-index: 2;
    padding: 120px 3rem 3rem;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

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

/* Hero Slide */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.85), rgba(79, 158, 255, 0.3));
}

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

.hero-content h1 {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content .highlight {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--text-gray);
    margin-bottom: 3rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

/* Typography */
h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.8rem;
    font-weight: 700;
}

h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

.large-text {
    font-size: clamp(1.3rem, 2vw, 1.6rem);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-white);
}

.subheading {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1rem;
}

.label {
    display: inline-block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #357ae8);
    color: white;
    box-shadow: 0 10px 30px rgba(79, 158, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(79, 158, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: white;
}

.btn-primary.large,
.btn-secondary.large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
}

/* Stats & Callouts */
.stat-callout {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 30px;
    margin-bottom: 3rem;
    max-width: 600px;
}

.stat-number {
    font-size: 6rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
}

/* Split Layout */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.split-layout.reverse {
    grid-template-columns: 1fr 1fr;
}

.split-layout.reverse .content-left {
    order: 2;
}

.split-layout.reverse .content-right {
    order: 1;
}

/* Feature Pills */
.feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.pill {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

/* Phone Mockup */
.floating-phone {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Features Grid */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(79, 158, 255, 0.2);
}

.icon-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), #357ae8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

/* Checklist */
.checklist {
    list-style: none;
    margin-top: 2rem;
}

.checklist li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.check {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.checklist strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.checklist p {
    font-size: 1rem;
}

.dashboard-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Dark Slide */
.dark-slide {
    background: linear-gradient(135deg, #0f1829, #0a0e1a);
}

/* Mission Slide */
.mission-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.mission-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mission-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 26, 0.9), rgba(245, 166, 35, 0.2));
}

.mission-content {
    color: white;
}

.mission-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.stat-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(20px);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* CTA Slide */
.final-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 3rem;
}

.contact-info {
    margin-top: 4rem;
}

.email-link {
    font-size: 1.3rem;
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 2px solid var(--accent-blue);
    transition: color 0.3s ease;
}

.email-link:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

/* Controls */
.slide-controls {
    position: fixed;
    bottom: 3rem;
    right: 3rem;
    display: flex;
    gap: 1rem;
    z-index: 100;
}

.control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-play-state: paused;
    opacity: 0;
}

.fade-in-left {
    animation: fadeInLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-play-state: paused;
    opacity: 0;
}

.fade-in-right {
    animation: fadeInRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-play-state: paused;
    opacity: 0;
}

/* Responsive */
@media (max-width: 1024px) {

    .split-layout,
    .split-layout.reverse {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .split-layout.reverse .content-left,
    .split-layout.reverse .content-right {
        order: initial;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .mission-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .final-cta {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .nav-bar {
        padding: 0 1.5rem;
    }

    .slide-content {
        padding: 100px 1.5rem 2rem;
    }

    .slide-controls {
        bottom: 2rem;
        right: 1.5rem;
    }

    .control-btn {
        width: 50px;
        height: 50px;
    }
}