/**
 * ArchVR Base Styles & Design Tokens
 *
 * @package ArchVR
 * @version 1.0.0
 */

:root {
	/* Palette — Dark Architectural Cinematic System */
	--color-bg: #090a0c;
	--color-bg-alt: #111317;
	--color-surface: #171a21;
	--color-surface-hover: #222630;
	--color-border: rgba(255, 255, 255, 0.08);
	--color-border-bright: rgba(255, 255, 255, 0.16);

	--color-text: #f0f2f5;
	--color-text-muted: #8c929e;
	--color-text-dim: #5c626e;

	--color-accent: #cfa15d;
	--color-accent-hover: #dfb36f;
	--color-accent-dim: rgba(207, 161, 93, 0.15);

	/* Typography */
	--font-heading: 'Syne', sans-serif;
	--font-body: 'Plus Jakarta Sans', sans-serif;

	--font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
	--font-size-sm: clamp(0.875rem, 0.82rem + 0.3vw, 1rem);
	--font-size-base: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
	--font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
	--font-size-xl: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
	--font-size-2xl: clamp(2.5rem, 1.8rem + 3vw, 4rem);
	--font-size-hero: clamp(3.2rem, 2.2rem + 5vw, 6.5rem);

	/* Spacing */
	--container-max: 1380px;
	--container-pad: clamp(1.25rem, 3vw, 3rem);
	--section-spacing: clamp(4rem, 8vw, 9rem);

	/* Glassmorphism Tokens */
	--glass-bg: rgba(9, 10, 12, 0.65);
	--glass-bg-scrolled: rgba(13, 15, 19, 0.85);
	--glass-blur: 16px;
	--glass-border: rgba(255, 255, 255, 0.08);

	/* Border Radius */
	--radius-sm: 4px;
	--radius-md: 8px;
	--radius-lg: 16px;
	--radius-full: 9999px;

	/* Transitions */
	--transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
	--transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
	--transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.6;
	background-color: var(--color-bg);
	color: var(--color-text);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	scrollbar-gutter: stable;
}

body {
	min-height: 100vh;
	overflow-x: clip;
	background-color: var(--color-bg);
	color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	font-weight: 700;
	line-height: 1.15;
	color: var(--color-text);
	letter-spacing: -0.02em;
}

a {
	color: inherit;
	text-decoration: none;
	transition: color var(--transition-fast);
}

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

button, input, textarea, select {
	font: inherit;
	color: inherit;
	background: none;
	border: none;
}

button {
	cursor: pointer;
}

ul, ol {
	list-style: none;
}

/* Accessibility & Focus States */
:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}