:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --font-display: 'General Sans', sans-serif;
    --font-body: 'Switzer', sans-serif;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --slide-padding: clamp(2rem, 5vw, 6rem);
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Navigation Dots */
.nav-dots {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 100;
}

.nav-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot.active {
    background: var(--accent);
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Slide Layout */
.slide {
    min-height: 100vh;
    padding: var(--slide-padding);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.grid-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
}

/* Typography */
h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 400;
}

.accent-text {
    color: var(--accent);
    font-weight: 600;
}

/* Content Layouts */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(to bottom right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

ul {
    list-style: none;
}

li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out),
                transform 0.8s var(--ease-out);
}

.slide.visible .reveal {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* Progress Bar */
.progress-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
    z-index: 100;
}