/**
 * New Light Website Core Styles
 * Version: 3.1.6
 * 
 * Core styles for the New Light website.
 * Features:
 * - Unified styling system for both index and frost pages
 * - Semantic color system with light/dark modes (no pure black/white)
 * - Responsive design with safe area handling
 * - Modern typography system
 * - Optimized animations with reduced motion support
 * - Hardware-accelerated rendering
 */

/* ----------------------------------------
   CSS Custom Properties (Variables)
---------------------------------------- */
:root {
    /* Gray Scale */
    --gray-0: #f8f8f8;
    --gray-1: #f4f4f4;
    --gray-2: #f0f0f0;
    --gray-3: #e8e8e8;
    --gray-4: #d8d8d8;
    --gray-5: #b8b8b8;
    --gray-6: #989898;
    --gray-7: #787878;
    --gray-8: #585858;
    --gray-9: #383838;
    --gray-10: #282828;
    --gray-11: #181818;
    --gray-12: #151515;
    --gray-13: #111111;

    /* Semantic Colors - Light Mode */
    --color-background: #d8d8d8;  /* Darkened from e2e2e2 */
    --color-surface: #dedede;     /* Darkened from e8e8e8 */
    --color-text: #383838;
    --color-text-muted: #787878;
    --color-border: #d0d0d0;      /* Darkened from d8d8d8 */
    --color-border-light: #d8d8d8; /* Darkened from e2e2e2 */
    --color-link: #585858;
    --color-link-hover: #383838;

    /* Section Colors - Light Mode */
    --section-background: #dedede;  /* Darkened from e8e8e8 */
    --section-background-rgb: 222, 222, 222;  /* Updated RGB values */
    --section-text: #383838;
    --section-text-contrast: #151515;
    --section-opacity: 0.98;
    --section-bg-opacity: 0.85;

    /* Neural Frost Theme - Light Mode */
    --frost-point-colors: #b0b0b0, #909090, #707070;  /* Darkened values */
    --frost-line-colors: #909090, #707070, #505050, #303030;  /* Darkened values */
    --frost-background: #dedede;  /* Darkened from e8e8e8 */
    --frost-opacity: 0.7;

    /* Control states - Light Mode */
    --control-active: 0.75;
    --control-inactive: 0.3;
    --control-hover: 0.9;

    /* Layout */
    --container-max-width: 800px;
    --section-padding: 24px;
    --content-padding: 8px;
    --icon-size: 24px;
    --control-size: 48px;
    --control-padding: 24px;
    
    /* Typography */
    --font-family-mono: "Ubuntu Mono", monospace;
    --font-family-sans: "IBM Plex Sans", sans-serif;
    --text-stroke-thin: 0.25px;
    --text-stroke-thick: 0.5px;
    --line-height: 1.6;
    
    /* Z-Index Layers */
    --z-background: 0;
    --z-content: 1;
    --z-overlay: 2;
    --z-modal: 1001;

    /* Borders */
    --border-thin: 1px;
    --border-medium: 2px;
    --border-thick: 3px;
    
    /* Animations */
    --transition-fast: 0.6s;
    --transition-medium: 1.2s;
    --transition-slow: 2.4s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Safe Areas */
    --safe-area-inset-top: env(safe-area-inset-top, 24px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 24px);
    --safe-area-inset-left: env(safe-area-inset-left, 24px);
    --safe-area-inset-right: env(safe-area-inset-right, 24px);
}

/* Dark Mode Color System */
@media (prefers-color-scheme: dark) {
    :root {
        /* Semantic Colors - Dark Mode */
        --color-background: #181818;
        --color-surface: #282828;
        --color-text: #e8e8e8;
        --color-text-muted: #d8d8d8;
        --color-border: #585858;
        --color-border-light: #383838;
        --color-link: #d8d8d8;
        --color-link-hover: #e8e8e8;

        /* Section Colors - Dark Mode */
        --section-background: #282828;
        --section-background-rgb: 40, 40, 40;  /* For alpha operations */
        --section-text: #e8e8e8;
        --section-text-contrast: #f4f4f4;
        --section-opacity: 0.95;
        --section-bg-opacity: 0.75;

        /* Neural Frost Theme - Dark Mode */
        --frost-point-colors: #e8e8e8, #d8d8d8, #b8b8b8;
        --frost-line-colors: #d8d8d8, #b8b8b8, #989898, #787878;
        --frost-background: #282828;
        --frost-opacity: 0.6;

        /* Control states - Dark Mode */
        --control-active: 0.8;
        --control-inactive: 0.3;
        --control-hover: 1.0;
    }
}

/* ----------------------------------------
   Base Styles
---------------------------------------- */
html {
    box-sizing: border-box;
    height: 100%;
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior: none;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    font-family: var(--font-family-mono);
    margin: 0;
    padding: var(--content-padding);
    background: var(--color-background);
    color: var(--color-text);
    line-height: var(--line-height);
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    user-select: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* ----------------------------------------
   Index Page Styles
---------------------------------------- */
.index-page .container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--content-padding);
    padding-bottom: max(var(--safe-area-inset-bottom), 72px);
    transition: opacity var(--transition-medium) var(--transition-timing);
    will-change: opacity;
    position: relative;
    z-index: var(--z-content);
}

.index-page .section {
    border: var(--border-thick) solid var(--gray-13);  /* Thicker, darker border in light mode */
    background: rgba(var(--section-background-rgb), var(--section-bg-opacity));
    padding: var(--section-padding);
    margin-bottom: 16px;
    position: relative;
    min-height: 300px;
    z-index: var(--z-content);
    opacity: var(--section-opacity);
    transition: 
        opacity var(--transition-medium) var(--transition-timing),
        background-color var(--transition-medium) var(--transition-timing),
        border-color var(--transition-medium) var(--transition-timing);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-text);
}

.index-page .section--header {
    overflow: hidden;
    min-height: 400px;
    height: 100vh;
    height: 100dvh;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: rgba(var(--section-background-rgb), var(--section-bg-opacity));
    padding: calc(var(--safe-area-inset-top) + 24px) var(--section-padding) calc(var(--safe-area-inset-bottom) + 24px);
}

.index-page .section--header h1,
.index-page .section--header p {
    margin: 16px auto;
    max-width: 80%;
    text-align: center;
    position: relative;
    z-index: var(--z-overlay);
}

.index-page .section--header h1 {
    font-family: var(--font-family-sans);
    font-size: 4em;
    letter-spacing: 0.05em;
    color: var(--gray-0);  /* Light text in light mode */
    -webkit-text-stroke: 1.5px var(--gray-13);  /* Dark outline in light mode */
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 24px;
    text-shadow: 0 0 1px var(--gray-13);  /* Enhance the outline effect */
}

.index-page .section--header p {
    font-size: 1.2em;
    color: var(--gray-13);
    font-weight: 500;
    position: relative;
    z-index: var(--z-overlay);
}

.index-page .section--header .animate-text {
    display: inline-block;
    position: relative;
    color: var(--gray-13);
    z-index: var(--z-overlay);
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .index-page .section {
        border: var(--border-thick) solid var(--gray-0);  /* Thicker, lighter border in dark mode */
    }

    .index-page .section--header h1 {
        color: var(--gray-13);
        -webkit-text-stroke: 1.5px var(--gray-0);
        text-shadow: 0 0 1px var(--gray-0);
    }
    
    .index-page .section--header p,
    .index-page .section--header .animate-text {
        color: var(--gray-3);
    }
}

/* Mobile adjustments for header */
@media screen and (max-width: 600px) {
    .index-page .section--header {
        min-height: 300px;
        padding: calc(var(--safe-area-inset-top) + 16px) var(--section-padding) calc(var(--safe-area-inset-bottom) + 16px);
    }
    
    .index-page .section--header h1 {
        font-size: 2.5em;
        margin-bottom: 16px;
    }
    
    .index-page .section--header p {
        font-size: 1em;
        max-width: 90%;
    }
}

/* ----------------------------------------
   Frost Page Styles
---------------------------------------- */
.frost-page {
    min-height: 100vh;
    width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity var(--transition-medium) var(--transition-timing);
    will-change: opacity;
}

/* Background layer */
#frost-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-medium) var(--transition-timing);
    will-change: opacity, transform;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    overflow: hidden;
}

/* Interactive layer */
#frost-interactive {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-overlay);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-medium) var(--transition-timing);
    will-change: opacity;
}

/* Control container */
#frost-interactive .controls-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: max(var(--safe-area-inset-top), var(--control-padding)) 
             max(var(--safe-area-inset-right), var(--control-padding)) 
             max(var(--safe-area-inset-bottom), var(--control-padding)) 
             max(var(--safe-area-inset-left), var(--control-padding));
}

/* Interactive Icons - Base styles */
.interactive-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--control-size);
    height: var(--control-size);
    padding: 12px;
    border: none;
    background: none;
    cursor: pointer;
    opacity: var(--control-active);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
    z-index: var(--z-modal);
    margin: 0;
}

/* Frost page specific interactive icons */
.frost-page .interactive-icon {
    position: fixed;
}

.interactive-icon:hover {
    opacity: var(--control-hover);
    transform: scale(1.05);
}

.interactive-icon:active {
    transform: scale(0.95);
}

.interactive-icon.active {
    opacity: var(--control-active);
    pointer-events: auto;
}

.interactive-icon.inactive {
    opacity: var(--control-inactive);
    pointer-events: none;
}

/* Control Positioning - Frost page only */
.frost-page #fullscreen-enter {
    top: max(var(--safe-area-inset-top), var(--control-padding));
    left: max(var(--safe-area-inset-left), var(--control-padding));
}

.frost-page #fullscreen-exit {
    top: max(var(--safe-area-inset-top), var(--control-padding));
    right: max(var(--safe-area-inset-right), var(--control-padding));
}

.frost-page #unmute-audio {
    bottom: max(var(--safe-area-inset-bottom), var(--control-padding));
    left: max(var(--safe-area-inset-left), var(--control-padding));
}

.frost-page #mute-audio {
    bottom: max(var(--safe-area-inset-bottom), var(--control-padding));
    right: max(var(--safe-area-inset-right), var(--control-padding));
}

.frost-page #mountain-trigger {
    position: fixed;
    bottom: max(var(--safe-area-inset-bottom), var(--control-padding));
    left: 50%;
    transform: translateX(-50%);
}

/* Mobile adjustments */
@media screen and (orientation: landscape) and (max-height: 450px) {
    :root {
        --control-padding: 16px;
    }
    
    .interactive-icon {
        padding: 8px;
    }
}

/* Background texture container */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-background);
    pointer-events: none;
}

.background-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--transition-medium) var(--transition-timing);
}

/* Frost canvas */
.frost-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-background);
    opacity: var(--frost-opacity);
    transition: opacity var(--transition-fast);
    will-change: opacity, transform;
}

/* Contact list */
.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-list li {
    margin: 12px 0;
}

.contact-list a {
    color: var(--color-text);
    text-decoration: none;
    transition: opacity var(--transition-fast) var(--transition-timing);
}

.contact-list a:hover {
    opacity: 0.8;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--section-padding) 0;
    margin-top: auto;
    width: 100%;
}

.footer p {
    margin: 0;
    color: var(--color-text);
}

/* Mountain section - Index page */
.index-page .mountain-section {
    text-align: center;
    padding: var(--section-padding) 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: auto;
}

.index-page .mountain-section .interactive-icon {
    position: relative;
    width: var(--icon-size);
    height: var(--icon-size);
    padding: 0;
    opacity: var(--control-active);
    transform: none;
}

.index-page .mountain-section .interactive-icon:hover {
    opacity: var(--control-hover);
    transform: scale(1.05);
}

.index-page .mountain-section .interactive-icon:active {
    transform: scale(0.95);
}

.index-page .mountain-section .interactive-icon img {
    width: 100%;
    height: 100%;
}

/* Mountain button - Frost page */
.frost-page #mountain-trigger {
    position: fixed;
    bottom: max(var(--safe-area-inset-bottom), var(--control-padding));
    left: 50%;
    transform: translateX(-50%);
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .index-page .section--header h1 {
        color: var(--gray-13);
        -webkit-text-stroke: 1.5px var(--gray-0);
        text-shadow: 0 0 1px var(--gray-0);
    }
    
    .index-page .section--header p,
    .index-page .section--header .animate-text {
        color: var(--gray-3);
    }

    .interactive-icon img {
        filter: invert(1);
    }
}

/* When body is visible, show all layers */
.frost-page[style*="opacity: 1"] #frost-background,
.frost-page[style*="opacity: 1"] #frost-interactive {
    opacity: 1;
}

/* Development Focus list */
.development-focus {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.development-focus li {
    position: relative;
    padding-left: 24px;
    line-height: 1.8;
}

.development-focus li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--gray-7);
}

@media (max-width: 600px) {
    .development-focus {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.index-page .section h2 {
    font-family: var(--font-family-sans);
    font-size: 1.5em;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--gray-13);
    margin-bottom: 24px;
}

@media (prefers-color-scheme: dark) {
    .index-page .section h2 {
        color: var(--gray-3);
    }
}

/* Mission section styles */
.mission-statement {
    font-family: var(--font-family-mono);
    font-weight: 700;  /* Bold */
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--gray-13);
}

.mission-text {
    font-family: var(--font-family-mono);
    font-style: italic;
    line-height: 1.8;
    margin: 0;
}

.mission-text p {
    margin-bottom: 20px;
}

@media (prefers-color-scheme: dark) {
    .mission-statement {
        color: var(--gray-3);
    }
}