:root {
    /* Fluid Typography Scale (320px -> 1440px) */
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
    --font-size-xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);
    --font-size-hero: clamp(2.5rem, 2rem + 6vw, 6rem);
    
    /* Spacing System (clamp) */
    --space-2xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
    --space-xs: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
    --space-s: clamp(1rem, 0.8rem + 1vw, 1.5rem);
    --space-m: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
    --space-l: clamp(2rem, 1.5rem + 2.5vw, 4rem);
    --space-xl: clamp(4rem, 3rem + 5vw, 8rem);
    
    /* Dimensions */
    --container-max: 1440px;
    --touch-target: 48px;
    
    /* Colors (HSL for flexibility) */
    --color-bg: #222222;
    --color-text: #ffffff;
    --color-accent: #e4ff43;
    --color-overlay: rgba(34, 34, 34, 0.75);
    --glass-bg: rgba(255, 255, 255, 0.04);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Layout Components */
.container {
    width: 90%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Interactive Elements */
a, button {
    min-height: var(--touch-target);
    min-width: var(--touch-target);
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    font-size: inherit;
}

/* Navigation System */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-m) 5%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    z-index: 1000;
}

.desktop-nav {
    display: none;
    gap: var(--space-m);
}

.mobile-nav-toggle {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    padding: 10px;
    z-index: 2000;
}

.nav-bar {
    width: 28px;
    height: 2px;
    background: white;
    transition: 0.3s;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-l);
    transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1500;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    font-size: var(--font-size-lg);
    text-transform: uppercase;
    letter-spacing: 5px;
    transition: color 0.3s;
}

.mobile-menu a:hover {
    color: var(--color-accent);
}

/* Media Queries */
@media (min-width: 1024px) {
    .mobile-nav-toggle {
        display: none;
    }
    .desktop-nav {
        display: flex;
    }
}

/* Utility Classes */
.fluid-h1 { font-size: var(--font-size-hero); font-weight: 300; letter-spacing: -2px; line-height: 1.1; }
.fluid-p { font-size: var(--font-size-base); }
.fluid-accent { color: var(--color-accent); }

.grid-auto {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-m);
}

@media (min-width: 768px) {
    .grid-auto {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .grid-auto {
        grid-template-columns: repeat(3, 1fr);
    }
}