/***GLOBAL VARIABLES
*****************************************************/
:root {
/***TEXT***/
    /*--fontSize: clamp(1rem, 1.25vw, 1.5rem);*/
    --fontSizeSmall: 1rem;
    --fontSizeMedium: 1.5rem;
    --fontSizeLarge: 3.75rem;
    --fontWeight: 400;
    --letterSpacing: 0.05em;
    --wordSpacing: -0.05em;
    --lineHeightLow: 1;
    --lineHeightHigh: 1.2;
    --lineHeightExtraHigh: 1.4;

/***SPACES***/
    --spaceY: calc(var(--fontSizeMedium) * 1.2);
    --spaceX: calc(var(--fontSizeMedium) * 1.5);
    --bodySpaces: 0;
    --rowGutterMedium: calc(var(--fontSizeMedium) * var(--lineHeightHigh));
    --rowGutterLarge: calc(var(--fontSizeLarge) * var(--lineHeightLow));
    --rowGutterSmall: calc(var(--fontSizeSmall) * var(--lineHeightHigh));
    --colGutter: calc(var(--fontSizeMedium) * 0.75);

/***SIZES***/
    --headerHeight: calc(var(--spaceY)*2 + var(--rowGutterMedium));
    --footerHeight: calc(var(--spaceY)*2.56 + var(--rowGutterMedium)*3);
    --mainWidth: 100%;
    --mainHeight: calc(100vh - var(--spaceY) - var(--rowGutterLarge) - var(--footerHeight));

/***GRIDS***/
    --gridTemplate: repeat(12, 1fr);
    --gridGap: var(--rowGutterMedium) var(--colGutter);

/***COLOR***/
    --paletteWhite: #FFFFFF;
    --paletteGray: #CCCCCC;
    --paletteBlack: #444444;
    --paletteAlpha: transparent;
    --materialColor: var(--paletteGray);
    --lightColor: rgba(255, 255, 255, 0.9);
    --shadowColor: rgba(0, 0, 0, 0.6); 
    --backColor: var(--materialColor);
    --textColor: var(--materialColor);
    --linkColor: var(--materialColor);
    --hoverColor: var(--materialColor);

/***DECORATION***/
    --borderWidth: 1px;
    --borderOffsetMedium: 2px;
    --borderOffsetLarge: 6px;
    --borderLine: var(--borderWidth) solid var(--textColor);
    --linkDeco: underline var(--borderWidth);
    --shadowUp: -1px -1px 0px var(--lightColor), 1px 1px 0px var(--lightColor);
    --shadowDown: -1px -1px 0px var(--shadowColor), 1px 1px 0px var(--lightColor);
    --dropShadowUp: drop-shadow(-1px -1px 0px var(--lightColor)) drop-shadow(1px 1px 0px var(--shadowColor));
    --dropShadowDown: drop-shadow(-1px -1px 0px var(--shadowColor)) drop-shadow(1px 1px 0px var(--lightColor));
        
/***TRANSITION***/
    --transitionDuration: 0.15s;
    --transitionDurationSlow: 0.3s;
}

/***BACKGROUND
*****************************************************/
.alpha_bg {
    width: 100vw;
    /*height: 100vh;*/
    height: calc(100% + var(--spaceY));
    position: absolute;
    top: calc(var(--spaceY)*-1);
    /*top: 0;*/
    left: 0;
    /* tamaño opcional del cuadro */
    background-size: 4px 4px;
    background-position: 0 0, 2px 2px;
    background-image:
        linear-gradient(45deg, var(--paletteBlack) 25%, transparent 25%, transparent 75%, var(--paletteBlack) 75%),
        linear-gradient(45deg, var(--paletteBlack) 25%, transparent 25%, transparent 75%, var(--paletteBlack) 75%);
    background:
        repeating-conic-gradient(var(--paletteBlack) 0 25%, transparent 0 50%) 0 0 / 8px 8px,
        repeating-conic-gradient(var(--paletteBlack) 0 25%, transparent 0 50%) 4px 4px / 8px 8px;
    z-index: -1;
}
@media (min-resolution: 2dppx) {
    .alpha_bg {
        background-size: 4px 4px;
        background-position:0 0, 2px 2px;
    }
}
.gradient_bg {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}

/***FONTS
*****************************************************/
* {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -o-text-size-adjust: 100%;
	text-size-adjust: 100%;
}
/*
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: antialiased;
    text-rendering: antialiased;
    text-rendering: geometricPrecision;
}
*/
@font-face {
    font-family: Arial Mono;
    src: url("Arial-Monospaced.woff") format("woff");
}
@font-face {
    font-family: Times Dot Roman;
    src: url("Times-Dot-Roman.woff") format("woff");
}
@font-face {
    font-family: Times Dot Italic;
    src: url("Times-Dot-Italic.woff") format("woff");
}
.font_size_M {
    font-size: var(--fontSizeMedium);
    line-height: var(--lineHeightHigh);
    /*
    text-underline-offset: var(--borderOffsetMedium);
    */
}
.font_size_L {
    font-size: var(--fontSizeLarge);
    line-height: var(--lineHeightLow);
    /*
    text-underline-offset: var(--borderOffsetLarge);
    */
}
.font_size_S {
    font-size: var(--fontSizeSmall);
    line-height: var(--lineHeightHigh);
}
.uppercase {
    text-transform: uppercase;
}
.lowercase {
    text-transform: lowercase;
}

/***RESET
*****************************************************/
::-webkit-scrollbar {
    width: 25px;
    display: none;
}
::-webkit-scrollbar-track {
    background-size: 4px 4px;
    background-position: 0 0, 2px 2px;
    background-image:
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%),
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%);
    background:
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 0 0 / 4px 4px,
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 4px 4px / 4px 4px;
}
::-webkit-scrollbar-thumb {
  background: var(--paletteGray);
  border-top: 1px solid var(--paletteWhite);
  border-left: 1px solid var(--paletteWhite);
  border-right: 1px solid var(--paletteBlack);
  border-bottom: 1px solid var(--paletteBlack);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--paletteGray);
}
::-webkit-selection {
    color: var(--backColor);
    background-color: var(--textColor);
}
::-moz-selection {
    color: var(--backColor);
    background-color: var(--textColor);
}
::-ms-selection {
    color: var(--backColor);
    background-color: var(--textColor);
}
::-o-selection {
    color: var(--backColor);
    background-color: var(--textColor);
}
::selection {
    color: var(--backColor);
    background-color: var(--textColor);
}
img::-webkit-selectio {
    color: transparent;
    background-color: transparent;
}
img::-moz-selection {
    color: transparent;
    background-color: transparent;
}
img::-ms-selection {
    color: transparent;
    background-color: transparent;
}
img::-o-selection {
    color: transparent;
    background-color: transparent;
}
img::selection {
    color: transparent;
    background-color: transparent;
}
*,
*::before,
*::after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
}
html {
    /*color-scheme: light dark;*/
    scroll-behavior: smooth;
}
body {
    position: relative;
    margin: var(--bodySpaces);
    color: var(--textColor);
    background: var(--backColor);
    font-family: Arial, sans-serif;
    /*
    font-family: Univers Selectric, Arial, sans-serif;
    font-family: 'Times Dot Roman', 'Times New Roman', Times, serif;
    */
    font-size: var(--fontSizeMedium);
    letter-spacing: var(--letterSpacing);
    word-spacing: var(--wordSpacing);
    line-height: var(--lineHeight);
}
ul {
    display: block;
    list-style-type: none;
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
    padding-inline-start: 0;
}
li {
  display: inline;
}
a {	
    color: var(--linkColor);
    text-decoration: none;
    transition-property: color;
    transition-duration: var(--transitionDuration);
}
/*
a.font_size_L:hover {	
    text-decoration: var(--linkDeco);
}
*/
.font_size_L a:hover {	
    text-decoration: var(--dropShadowDown);
}
.font_size_M a:hover {	
    text-decoration: var(--dropShadowDown);
}
h1, h2, h3 {
    margin: 0;
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    padding: 0;
    font-size: var(--fontSizeMedium);
    font-style: normal;
    font-weight: 400;
}
p {
    display: block;
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    padding-inline-start: 0;
}
span {
    display: inline;
}
form, input, textarea, submit,
iframe, embed, audio {
    margin: 0;
    padding: 0;
    color: var(--textColor);
    background: transparent;
    border: 0;
    outline: none;
    font: inherit;
    font-size: inherit;
}
input:focus, textarea:focus {
    outline: none;
}
input[name="submit"] {
	cursor: pointer;
}
:-webkit-input-placeholder {
	/*internet explorer*/
	color: var(--textColor);
}
::-moz-input-placeholder {
	/*mozilla edge*/
    color: var(--textColor);
}
::-ms-input-placeholder {
	/*microsoft edge*/
    color: var(--textColor);
}
::-o-input-placeholder {
	/*microsoft edge*/
    color: var(--textColor);
}
::placeholder {
	/*chrome, firefox, opera, safari*/
    color: var(--textColor);
}
img, video {
    vertical-align: middle;
}
img.lazy,
video.lazy {
    opacity: 0;
    transition: opacity var(--transitionDuration);
}
img.lazy.loaded,
video.lazy.loaded {
    opacity: 1;
}

/***HEADER AND MENU
*****************************************************/
header {
    width: 100%;
    min-height: var(--headerHeight);
    /*
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    */
    padding: var(--spaceY) var(--spaceX) 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: start;
    background: transparent;
    z-index: 100;
}
header > * {
    flex: 1;
}

/***MAIN CONTENT
*****************************************************/
main.content {
    max-width: var(--mainWidth);
    min-height: var(--mainHeight);
    position: relative;
    margin-inline: auto;
    margin-block: var(--spaceY) var(--rowGutterLarge);
    padding-inline: var(--spaceX);
    /*
    -webkit-mix-blend-mode: difference;
    -moz-mix-blend-mode: difference;
    mix-blend-mode: difference;
    */
}

/***INTRO TEXT***/
section.intro_text span,
section.intro_text a {
    font-weight: bold;
    filter: var(--dropShadowUp);
}
section.intro_text a:hover {
    filter: var(--dropShadowDown);
}

/***LIST***/
section.list {
    margin-top: var(--rowGutterLarge);
}
section.list .row {
    display: flex;
    align-items: end;
    flex-wrap: nowrap;
    gap: 0 calc(var(--fontSizeMedium)*0.33);
    pointer-events: none;
}
section.list .row .label {
    white-space: nowrap;
    pointer-events: auto !important;
}
section.list .row .label a {
    font-weight: bold;
    filter: var(--dropShadowUp);
}
section.list .row .label a:hover {
    filter: var(--dropShadowDown);
}
section.list .row .caption {
    width: auto;
    color: var(--paletteBlack);
    display: none;
    padding: calc(var(--spaceY)*.3) calc(var(--spaceX)*.35) calc(var(--spaceY)*.25);
    margin-bottom: calc(var(--spaceY)*.25 + 1.5px);
    /*line-height: var(--lineHeightExtraHigh);*/
    white-space: nowrap;
    overflow: hidden;
    /*text-overflow: ellipsis;*/
    pointer-events: none;
    box-shadow: var(--shadowDown);
    /*alpha background*/
    background-size: 4px 4px;
    background-position: 0 0, 2px 2px;
    background-image:
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%),
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%);
    background:
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 0 0 / 4px 4px,
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 4px 4px / 4px 4px;
}
section.list .row .label:hover ~ .caption {
    display: inline-block;
}
section.list .row .caption .text {
    display: inline-block;
}

@keyframes slide{
  from{ transform:translateX(0); }
  to  { transform:translateX(-100%); }
}
/* Pausa a quien lo pida */
@media (prefers-reduced-motion) {
  .track{ animation:none; }
}

/***COVERS***/
section.list .row .media {
    /*
    width: 100vh;
    height: 100vh;
    padding: var(--rowGutterLarge) var(--spaceX);
    position: fixed;
    top: 0;
    right: 0;
    */
    /*
    transform: translateX(-50%);
    */
    display: none;
    pointer-events: none;
}
section.list .row .media.on {
    display: inline-block;
    z-index: 100;
}
section.list .row .media img {
    max-width: 360px;
    max-height: 300px;
    opacity: 0.83;
    filter: brightness(.83) saturate(1.17) drop-shadow(0 0 10px rgba(0, 0, 0, 0.25));
}

/***FOLLOW CURSOR***/
.cursor_area {
	position: relative;
}
.cursor {
	transform: translate(9px, calc(-100% - 10px));
	pointer-events: none;
    user-select: none;
}

/***FOOTER
*****************************************************/
footer.contact {
    width: auto;
    display: inline-block;
    /*min-height: var(--footerHeight);*/
    margin: var(--spaceY) var(--spaceX);
    padding: calc(var(--spaceY)*.28) calc(var(--spaceX)*.35);
    color: var(--paletteBlack);
    box-shadow: var(--shadowDown);
    /*alpha background*/
    background-size: 4px 4px;
    background-position: 0 0, 2px 2px;
    background-image:
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%),
        linear-gradient(45deg, var(--paletteWhite) 25%, var(--paletteGray) 25%, var(--paletteGray) 75%, var(--paletteWhite) 75%);
    background:
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 0 0 / 4px 4px,
        repeating-conic-gradient(var(--paletteWhite) 0 25%, var(--paletteGray) 0 50%) 4px 4px / 4px 4px;
}
footer.contact span,
footer.contact a {
    color: var(--paletteBlack);
}
footer.contact a:hover {
    text-decoration: var(--linkDeco);
        text-underline-offset: var(--borderOffsetMedium);
}