@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&family=Permanent+Marker');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block&icon_names=chevron_right');

@property --split {
    syntax: "<number>";
    initial-value: 0.5;
    inherits: true;
}

@keyframes move-slider {
    from {--split: 0.5;}
    25% {--split: 1;}
    50% {--split: 0.5;}
    75% {--split: 0;}
    to {--split: 0.5;}
}

@keyframes shift-note {
    0% {
        translate: 0 var(--shift-start);
    }
    100% {
        translate: 0 var(--shift-end);
    }
}

@keyframes pumpitup {
    0% {scale: 1;}
    30% {scale: 1.2;}
    100% {scale: 1;}
}

:root {
    --zwift-color: #142a78;
    --strava-color: #7b1503;
}

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

html {
    font-size: 14px;
    font-family: Lato, sans-serif;
    scrollbar-width: thin;
}

html:not(.edge-browser) .edge-only {
    display: none;
}

body {
    background-image: linear-gradient(to bottom, #1b0606, #3b2626);
    color: #f0f0f0;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

a:link, a:visited {
    color: #75c4ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

tm {
    &::after {
        content: 'TM';
        vertical-align: super;
        font-size: 0.4em;
    }
    &[addspace]::after {
        content: '\2002TM'; /* \u2002 = em space*/
    }
}


[tabindex]:focus {
    outline: 2px solid #ff4400e0;
}

.hidden {
    display: none;
}

body > #nav {
    background-image: linear-gradient(135deg, #470000, #200053) !important;
    box-shadow: 0 1px 5px 0 #000b;
    margin-bottom: 2rem;
    width: 100%;

    > nav {
        display: flex;
        flex-wrap: wrap;
        padding: 1rem;

        > .left,
        > .right {
            display: flex;
            height: 4rem;
            padding-top: 0.2rem;
            padding-bottom: 0.2rem;
            align-items: center;
        }

        > .left {
            flex: 1 1 auto;
            flex-wrap: wrap;

            > * {
                margin-right: 1rem;
            }
        }

        > .right {
            display: flex;
            flex: 1 0 auto;
            justify-content: flex-end;
        }

        a {
            font-size: 1.3em;
            color: #fffe;

            &.text {
                margin-right: 1rem;
            }
        }
    }
}

img.branding {
    height: 1.4em;
    object-fit: contain;
    transform: rotate(-42deg);
}

a.social {
    height: 100%;
    margin-right: 0.4rem;
    padding: 0.8rem 0.5rem;
    opacity: 0.8;
    transition: opacity 200ms;

    &:hover {
        opacity: 1;
    }

    img {
        max-height: 100%;
    }
}

a.store-install {
    margin-left: 0.5em;
    height: 100%;
    padding: 0.5em;
    overflow: hidden;

    img {
        max-height: 100%;
        object-fit: contain;
        border-radius: 0.28rem;
        transition: box-shadow 200ms;
    }
    &:hover img {
        box-shadow: 1px 1px 5px 0 #0009;
    }
}

@property --carnival-pos-1 {
    syntax: "<length-percentage>";
    initial-value: 0;
    inherits: true;
}
@property --carnival-pos-2 {
    syntax: "<length-percentage>";
    initial-value: 0;
    inherits: true;
}
@property --carnival-pos-3 {
    syntax: "<length-percentage>";
    initial-value: 0;
    inherits: true;
}

@keyframes carnival-arrow {
    0% {
        --carnival-pos-1: -100%;
        --carnival-pos-2: -100%;
        --carnival-pos-3: 0%;
    }
    100% {
        --carnival-pos-1: 100%;
        --carnival-pos-2: 200%;
        --carnival-pos-3: 300%;
    }
}

@keyframes reveal-vis {
    0% {
        opacity: 0;
    }
    30% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    60% {
        opacity: 0;
    }
}

.but-wait-theres-more {
    &::after {
        font-family: "Material Symbols Rounded";
        content: 'chevron_right chevron_right chevron_right';
        writing-mode: vertical-lr;
        opacity: 0;
        position: fixed;
        z-index: -1;
        pointer-events: none;
        left: calc(50% - 0.615em);
        bottom: 1em;
        font-size: 1.5rem;
        font-weight: 500;
        letter-spacing: -0.84em;
        padding: 0 0.017em 0.88em 0;
        --carnival-color-dim: #05550512;
        --carnival-color-bright: #96ff00;
        --shadow-color: #1e14;
        --shadow-blur: 0.05em;
        --shadow-h-pad: 0.05em;
        --shadow-head-pad: 0em;
        --shadow-tail-pad: -0.10em;
        filter:
            drop-shadow(calc(-1 * var(--shadow-h-pad)) var(--shadow-tail-pad) var(--shadow-blur) var(--shadow-color))
            drop-shadow(var(--shadow-h-pad) var(--shadow-tail-pad) var(--shadow-blur) var(--shadow-color))
            drop-shadow(calc(-1 * var(--shadow-h-pad)) var(--shadow-head-pad) var(--shadow-blur) var(--shadow-color))
            drop-shadow(var(--shadow-h-pad) var(--shadow-head-pad) var(--shadow-blur) var(--shadow-color));
        color: #ffffff00;
        background-image: linear-gradient(180deg,
                                          var(--carnival-color-dim) var(--carnival-pos-1),
                                          var(--carnival-color-bright) var(--carnival-pos-2),
                                          var(--carnival-color-dim) var(--carnival-pos-3));
        background-clip: text;
        /* 18steps / 3s * 2keyframes = 12fps */
        animation: carnival-arrow 3s infinite steps(18), reveal-vis 1ms;
        animation-timeline: auto, --section-reveal-timeline;
    }
}

section {
    --default-horiz-pad: 3rem;
    --bignote-pad: var(--default-horiz-pad);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem var(--default-horiz-pad);
    view-timeline: --section-reveal-timeline y;

    &.left,
    &.right {
        --bignote-pad: 8rem;

        &.extra {
            --bignote-pad: 20rem;
        }
    }

    &.right {
        padding-left: calc(var(--default-horiz-pad) + var(--bignote-pad));
    }

    &.left {
        padding-right: calc(var(--default-horiz-pad) + var(--bignote-pad));
    }

    &.full {
        padding-top: 2rem;
        padding-bottom: 6rem;
        margin-bottom: 4rem;
        min-height: 100vh;
        min-width: 80%;

        p, .p {
            font-size: 1.1rem;
            padding: 0 1rem;
            margin: 0 0 1rem 0;
            max-width: 60rem;
        }
    }
}

header#nav + section.full {
    padding-bottom: 8rem;
}

bignote {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.8em 2em;
    top: -2rem;
    min-width: 22rem;
    max-width: 30rem;
    position: absolute;
    z-index: 20;
    border-radius: 0.4rem;
    background-color: #bf0505db;
    box-shadow: 1px 1px 5px 0 #0006;
    right: calc(-1 * var(--bignote-pad, 0rem));
    --shift-start: -40%;
    --shift-end: 100%;

    &.left {
        left: calc(-1 * var(--bignote-pad, 0rem));
        right: initial;
    }

    &.center {
        left: auto;
        right: auto;
    }

    &.above {
        top: initial;
        bottom: 100%;
    }

    &.middle {
        --shift-start: -80%;
        --shift-end: 60%;
        top: auto;
        bottom: initial;
    }

    &.bottom {
        --shift-start: -100%;
        --shift-end: 40%;
        top: initial;
        bottom: 3rem;
    }

    &.static {
        translate: initial !important;
        position: static;
    }

    &.wide {
        min-width: 22rem;
        max-width: 50rem;
    }

    &.features {
        background-color: #3c16ceb8;
    }

    &.users {
    }

    &.history {
        background-color: #008641c7;
    }

    &.contact {
        background-color: #0d7baecc;
    }

    &.zwift {
        background-color: hsl(from var(--zwift-color) h s calc(l + 20) / 0.8);
    }

    &.strava {
        background-color: hsl(from var(--strava-color) h s calc(l + 20) / 0.8);
    }

    &.patron {
        background-color: #3c16ceb8;

        a.patron {
            text-align: center;
            margin-top: 1em;

            img {
                transition: box-shadow: 200ms;
                width: 40%;
                border-radius: 0.28rem;
                transition: box-shadow 200ms;

                &:hover {
                    box-shadow: 1px 1px 3px 0 #0009;
                    animation: pumpitup 400ms 2;
                }
            }
        }
    }

    huge, big {
        text-align: center;
    }

    h1, h2, h3, h4, h5, h6 {
        margin-top: 0.8rem;
        margin-bottom: 0.3rem;
        font-style: italic;
        opacity: 0.9;
    }

    .caption {
        margin-bottom: 0;
    }
}

@supports (animation-timeline: --foo) {
    bignote:not(.static) {
        translate: 0 var(--shift-start);
        animation-name: shift-note;
        animation-range: 0% 180%;
        animation-fill-mode: both;
        animation-timeline: none;
        animation-timeline: --section-reveal-timeline;
    }
}

.caption {
    margin: 0.2rem 0.5rem 1.2rem;
    color: #ddd;
    font-variant: all-petite-caps;
}

section card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;

    code {
        word-break: break-all;
    }

    p, .p {
        font-size: 1.2em !important;

        ul, ol {

            ul, ol {
                margin-top: 0.5em;
            }

            li {
                margin-bottom: 0.5em;
            }
        }
    }
}

card .visual {
    max-width: min(1000px, 100%);
    max-height: max(400px, 70vh);
    border-radius: 0.28rem;
    object-fit: contain;
    overflow: hidden;
}

huge, big {
    display: block;
}

huge {
    font-size: 2.8em;
    font-family: 'Permanent Marker', sans-serif;
}

big {
    font-family: 'Permanent Marker', sans-serif;
    font-size: 2em;
}

.product:not(:hover) .image-compare { 
    /* 60steps / 10s * 5keyframes = 30fps */
    animation: move-slider 10s infinite steps(60);
}

.image-compare {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    overflow: hidden;
    --split: 0.5;

    img {
        display: block;
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;

        &:first-of-type {
            clip-path: xywh(0 0 calc(var(--split) * 100%) 100%);
        }
        &:last-of-type {
            clip-path: xywh(calc(var(--split) * 100%) 0 100% 100%);
            position: absolute;
            inset: 0 0 0 0;
            width: 100%;
        }
    }

    figcaption {
        z-index: 2;
        position: absolute;
        user-select: none;
        background: #333b;
        padding: 0.2em 0.5em;
        border-radius: 0 0 0.28rem 0.28rem;
        font-size: 0.8em;
        font-weight: 700;

        &:first-of-type {
            right: calc(50% + 50% * (1 - var(--split)) - 0.15rem);
        }
        &:last-of-type {
            left: calc(50% + 50% * var(--split) - 0.15rem);
        }
    }

    slider {
        position: absolute;
        z-index: 10;
        top: 0;
        left: calc(100% * var(--split) - 0.2rem);
        height: 100%;
        width: 0.4em;
        background: #666d;
        display: flex;
        align-items: center;
        justify-content: center;
        user-select: none;
        opacity: 0.8;
        cursor: ew-resize;

        &::after {
            content: '║';
            font-size: 0.5em;
        }
        &:hover {
            opacity: 1;
        }
    }

    .request-full-screen {
        display: inline-block;
        z-index: 40;
        position: absolute;
        bottom: 0;
        right: 0;
        background-color: #333e;
        color: #fff;
        opacity: 0.8;
        cursor: pointer;
        padding: 0.1em 0.4em;
        border-radius: 0.28rem;
        margin: 0.2em;

        &::after {
            content: '\26f6';
        }

        &:hover {
            opacity: 1;
        }
    }
}

@container product-width (width > 440px) {
    huge {
        --huge-size: 3.4em;
    }
}
@container product-width (width < 360px) {
    huge {
        --huge-size: 2.4em;
    }
}

#product-choices {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;

    tagline {
        display: block;
        font-style: italic;
        font-size: 1.12em;
        color: #ddd;
        margin-bottom: 1em;
        text-align: center;
    }

    .product {
        container: product-width / inline-size;
        flex: 1 1 0;
        min-width: min(calc(100vw - 2rem), 420px);
        border-radius: 0.28rem;
        margin: 1rem;
        padding: 0.2rem 2rem 1.6rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        --max-img-height: min(30em, max(20em, calc(84vh - 20rem)));

        a:hover:has(huge) {
            text-decoration-thickness: 0.2em;
            text-decoration-color: #fff6;
            text-decoration-skip-ink: none;
        }

        huge {
            font-size: var(--huge-size, 2.8em);
            background-image: linear-gradient(162deg, #fd9a50, #e1dfa5, #fff);
            background-clip: text;
            color: transparent;
            filter: drop-shadow(1px 3px 5px #0008);
            white-space: nowrap;
            margin-top: 0.4rem;
            margin-bottom: 0.8rem;


            &:first-letter {
                font-size: 1.2em;
            }

            .reduced {
                font-size: 0.9em;
            }
        }

        &.strava {
            background: var(--strava-color);

            .image-compare {
                width: fit-content;

                > img:first-child {
                    max-height: var(--max-img-height);
                }
            }
        }
        &.zwift {
            background: var(--zwift-color);

            main > img {
                max-height: var(--max-img-height);
                display: block;
                object-fit: contain;
            }
        }

        header {
            text-align: center;
            margin-bottom: 0.6rem;
        }

        main {
            overflow: hidden;

            &:fullscreen {
                --max-img-height: 100vh;
                display: flex;
                justify-content: center;
                align-items: center;
            }

            > * {
                max-height: 100%;
                max-width: 100%;
                border-radius: 0.28em;
                overflow: hidden;
            }
        }
    }
}

.history-text {
    font-size: 1.1em;
    padding: 0em 0.4em;
    margin: 0;
    max-width: min(100%, 50em);
    line-height: 1.5;

    hr {
        opacity: 0.3;
        margin: 1.2em 0;
    }

    h3 {
        margin: 0.3em 0;
    }

    .float {
        float: right;
    }

    img {
        max-width: 200px;
    }

    figcaption {
        text-align: center;
    }
}

card.intro-video {
    iframe.visual {
        aspect-ratio: 16 / 9;
        height: auto; !important;
    }
}

a.top {
    position: fixed;
    z-index: 100;
    bottom: 1em;
    right: 1em;
    text-decoration: none !important;
    opacity: 0.8;
    font-size: 1.1em;
}

body > footer {
    background: #322;
    color: #ddd;
    font-size: 0.92em;
    padding: 2em 1em;
    min-height: 20em;
    width: 100%;

    row {
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;

        &:not(:first-child) {
            border-top: 1px solid #fff3;
            padding-top: 1em;
            opacity: 0.8;
        }
    }
}

section row {
    display: flex;
    flex-wrap: wrap;
    width: 100%;

    column {
        padding: 1rem;
        min-width: min(100%, 320px);
        display: block;
        flex: 1 1 0;
    }

    column:not(:last-of-type) {
        margin-right: 1rem;
    }
}

body > footer row column {
    display: flex;
    flex-direction: column;
    opacity: 0.8;

    ul {
        padding-left: 0;
    }

    li {
        padding: 0.1em 0 0.8em;
        list-style-type: none;
    }
}

body > footer .install-link img {
    width: 10rem;
}

.other-points {
    word-break: break-word;
}


@media only screen and (max-width: 640px) {
    body > #nav {
        margin-bottom: 0;
    }

    #nav nav .left > a:not(.logo) {
        display: none;
    }
    #nav nav .left,
    #nav nav .right {
        height: 3.4rem !important;
    }

    section card {
        padding: 1rem 0.5rem;
    }

    h3 {
        font-size: 1em;
    }

    #product-choices {
    }

    bignote {
        margin-top: 0;
        min-width: initial;
        max-width: initial;
        width: 100%;
        border-radius: 0;
        font-size: 0.7em;
        position: relative !important;
        inset: initial !important;
        animation: none;

        .caption {
            font-size: 2em;
            margin: 0.4rem 0.2rem 0;
        }
    }

    .history-text {
        font-size: 1em;
    }

    ul, ol {
        padding-inline-start: 0.68em;
    }

    .other-points {
        big {
            font-size: 1.6em;
        }
    }

    card.intro-video {
        max-width: 100%;
    }

    section.full {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        max-width: 100%;

        .product {
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding-left: 0.4rem !important;
            padding-right: 0.4rem !important;
        }

        p, .p {
            font-size: 1em !important;
            max-width: initial;
            padding: 0 0.5rem;
        }
    }

    a.top {
        display: none;
    }

    body > #nav > nav .left > * {
        margin-right: 0.1rem;
    }

    img.branding {
        height: 1rem;
    }

    a.store-install {
        margin-left: 0;
    }

    body > footer {
        overflow: hidden;
    }
}

@media only screen and (max-width: 320px) {
    html {
        font-size: 13px;
    }
}