@font-face {
    font-family: "Space Grotesk";
    src: url("../fonts/space-grotesk.woff2") format("woff2");
    font-weight: 300 700;
    font-display: swap;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono.woff2") format("woff2");
    font-weight: 100 800;
    font-display: swap;
}

/* Latin Extended (Polish ą ć ę ł ń ś ź ż, and more): only downloaded when a page uses those letters */
@font-face {
    font-family: "Space Grotesk";
    src: url("../fonts/space-grotesk-ext.woff2") format("woff2");
    font-weight: 300 700;
    font-display: swap;
    unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

@font-face {
    font-family: "JetBrains Mono";
    src: url("../fonts/jetbrains-mono-ext.woff2") format("woff2");
    font-weight: 100 800;
    font-display: swap;
    unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}

:root {
    --void: #02040a;
    --ink: #e9eefc;
    --mute: #8f9cba;
    --blue: #6cb8ff;
    --blue-deep: #2f6bff;
    --gold: #f5b85c;
    --gold-deep: #c9822a;
    --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
    --gutter: clamp(22px, 6vw, 96px);
    --ease: cubic-bezier(.2, .7, .1, 1);
}

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

html {
    scroll-behavior: smooth;
    background: var(--void);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--void);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.55;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
}

h1, h2, p, ul { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; }

:focus-visible {
    outline: 1px solid var(--gold);
    outline-offset: 6px;
}

/* ---------- global layers ---------- */

#stars {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: .85;
}

main { position: relative; z-index: 1; }

/* ---------- chrome: top bar + scene rail ---------- */

.bar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px var(--gutter);
    pointer-events: none;
    background: linear-gradient(to bottom, rgba(2, 4, 10, .55), transparent);
}

.bar a, .bar p { pointer-events: auto; }

.mark {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .46em;
}

.mark-logo {
    display: block;
    width: auto;
    height: 26px;
    filter: drop-shadow(0 0 8px rgba(108, 184, 255, .55));
    transition: filter .4s;
}

.mark:hover .mark-logo { filter: drop-shadow(0 0 12px rgba(245, 184, 92, .85)); }

.counter {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .24em;
    color: var(--mute);
    text-align: right;
}

.counter b { color: var(--ink); font-weight: 500; }
.counter span { margin-left: 10px; color: var(--gold); transition: opacity .4s; }

.rail {
    position: fixed;
    z-index: 50;
    right: clamp(14px, 2.2vw, 34px);
    top: 50%;
    transform: translateY(-50%);
}

.rail ul { display: grid; gap: 6px; }

.rail a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    height: 34px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .2em;
    color: var(--mute);
}

.rail a i {
    width: 9px;
    height: 9px;
    border: 1px solid currentColor;
    border-radius: 50%;
    transition: transform .4s var(--ease), background .4s, box-shadow .4s, border-color .4s;
}

.rail a span { opacity: 0; transform: translateX(6px); transition: .35s var(--ease); }
.rail a em {
    position: absolute;
    right: 56px;
    font-style: normal;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(8px);
    pointer-events: none;
    transition: .35s var(--ease);
    color: var(--ink);
}

.rail a:hover span,
.rail a:focus-visible span,
.rail a[aria-current="true"] span { opacity: 1; transform: none; }
.rail a:hover em,
.rail a:focus-visible em { opacity: 1; transform: none; }

.rail a:hover i { border-color: var(--ink); }
.rail a[aria-current="true"] { color: var(--gold); }
.rail a[aria-current="true"] i {
    background: var(--gold);
    border-color: var(--gold);
    box-shadow: 0 0 14px rgba(245, 184, 92, .8);
    transform: scale(1.25);
}

/* ---------- scenes ---------- */

.scene {
    position: relative;
    isolation: isolate;
    min-height: var(--h, 160svh);
}

.scene + .scene { margin-top: -28svh; }

.bg {
    position: sticky;
    top: 0;
    height: 100svh;
    margin-bottom: -100svh;
    z-index: -1;
    overflow: hidden;
    container-type: size;
    opacity: var(--o, 1);
    will-change: opacity;
    pointer-events: none;
}

.stage {
    position: absolute;
    left: 50%;
    top: 50%;
    width: max(100cqw, calc(100cqh * 16 / 9));
    aspect-ratio: 16 / 9;
    translate: -50% -50%;
    transform: translate3d(calc(var(--mx, 0) * -10px), calc(var(--p, 0) * -4cqh + var(--my, 0) * -8px), 0) scale(1.06);
    will-change: transform;
}

@media (max-aspect-ratio: 1/1) {
    .stage { translate: calc(var(--fx, 50%) * -1) -50%; }
}

.stage picture,
.stage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.veil { position: absolute; inset: 0; }

.content {
    position: relative;
    padding: 0 var(--gutter);
    max-width: 1500px;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--mute);
    margin-bottom: 28px;
}

.eyebrow b { color: var(--gold); font-weight: 500; margin-right: 14px; }
.eyebrow b::after { content: ""; display: inline-block; width: 38px; height: 1px; margin-left: 14px; vertical-align: middle; background: currentColor; opacity: .6; }

h1, h2 {
    font-weight: 300;
    letter-spacing: -.04em;
    line-height: .96;
    text-wrap: balance;
}

h1 { font-size: clamp(2.9rem, 9.2vw, 9.6rem); }
h2 { font-size: clamp(2.5rem, 7vw, 7rem); }

h1 em, h2 em {
    font-style: normal;
    font-weight: 600;
    background: linear-gradient(100deg, var(--blue) 0%, #bfe0ff 45%, var(--gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-right: .06em;
}

.lede {
    max-width: 34ch;
    margin-top: 36px;
    font-size: clamp(1.05rem, 1.6vw, 1.45rem);
    font-weight: 300;
    line-height: 1.5;
    color: #c4cee6;
}

.hl-blue { color: var(--blue); }
.hl-gold { color: var(--gold); }

/* reveal system (only when JS is running; no-JS shows everything) */

.js [data-r] {
    opacity: 0;
    transform: translateY(26px);
    filter: blur(8px);
    transition: opacity 1.1s var(--ease) var(--d, 0s), transform 1.1s var(--ease) var(--d, 0s), filter 1.1s var(--ease) var(--d, 0s);
}

.js [data-r].in { opacity: 1; transform: none; filter: none; }

.w { display: inline-block; white-space: pre; }
.js [data-split] .w {
    opacity: 0;
    transform: translateY(.5em);
    filter: blur(10px);
    transition: opacity 1s var(--ease) calc(var(--i) * 70ms + .1s), transform 1s var(--ease) calc(var(--i) * 70ms + .1s), filter 1s var(--ease) calc(var(--i) * 70ms + .1s);
}
.js [data-split].in .w { opacity: 1; transform: none; filter: none; }

/* ---------- 01 THE COSMOS ---------- */

.s-cosmos { --h: 135svh; }

.s-cosmos .bg { animation: arrive 3.2s var(--ease) both; }
.s-cosmos .stage img { animation: drift 40s ease-in-out infinite alternate; }

@keyframes arrive { from { opacity: 0; } }
@keyframes drift { from { transform: scale(1); } to { transform: scale(1.09) translateY(-1.5%); } }

.s-cosmos .veil {
    background:
        radial-gradient(120% 70% at 50% 100%, rgba(2, 4, 10, .95), transparent 62%),
        linear-gradient(to bottom, rgba(2, 4, 10, .45), transparent 28%);
}

.s-cosmos .content {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    text-align: center;
    min-height: 100svh;
    margin: 0 auto;
    padding-bottom: clamp(70px, 12svh, 130px);
}

.s-cosmos .eyebrow { margin-bottom: 30px; }
.s-cosmos .lede { max-width: 40ch; margin-top: 30px; }

.cta {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    margin-top: 44px;
    padding: 19px 34px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .32em;
    color: var(--gold);
    border: 1px solid rgba(245, 184, 92, .55);
    background: rgba(245, 184, 92, .05);
    backdrop-filter: blur(6px);
    transition: background .5s var(--ease), box-shadow .5s var(--ease), color .5s, border-color .5s;
}

.cta svg { width: 16px; height: 16px; transition: transform .5s var(--ease); }
.cta:hover, .cta:focus-visible {
    color: #fff;
    border-color: var(--gold);
    background: rgba(245, 184, 92, .16);
    box-shadow: 0 0 44px rgba(245, 184, 92, .28), inset 0 0 22px rgba(245, 184, 92, .12);
}
.cta:hover svg { transform: translateY(4px); }

/* ---------- 02 THE STRUCTURE ---------- */

.s-structure .veil {
    background:
        linear-gradient(90deg, rgba(2, 4, 10, .85) 0%, rgba(2, 4, 10, .45) 38%, transparent 66%),
        radial-gradient(90% 60% at 50% 55%, transparent 40%, rgba(2, 4, 10, .55));
}

.s-structure .content { padding-top: 38svh; padding-bottom: 28svh; }
.s-structure h2 { max-width: 9ch; }

#pattern {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

#pattern .spiral { fill: none; stroke: url(#grad); stroke-width: 1.6; stroke-linecap: round; filter: drop-shadow(0 0 6px rgba(245, 184, 92, .7)); }
#pattern .ring { fill: none; stroke: rgba(108, 184, 255, .22); stroke-width: 1; }
#pattern .ray { stroke: rgba(108, 184, 255, .12); stroke-width: 1; }
#pattern .node { fill: var(--gold); filter: drop-shadow(0 0 5px var(--gold)); }

/* ---------- 03 THE MACHINE ---------- */

.s-machine .veil {
    background:
        linear-gradient(180deg, rgba(2, 4, 10, .8) 0%, rgba(2, 4, 10, .3) 45%, transparent 70%),
        linear-gradient(90deg, rgba(2, 4, 10, .6), transparent 55%);
}

#net { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .75; mix-blend-mode: screen; }

.s-machine .content { padding-top: 34svh; padding-bottom: 26svh; }
.s-machine h2 { max-width: 11ch; }

.verbs {
    display: flex;
    flex-wrap: wrap;
    gap: .2em clamp(18px, 4vw, 64px);
    margin-top: clamp(40px, 9svh, 100px);
    font-size: clamp(2rem, 6vw, 5.4rem);
    font-weight: 300;
    letter-spacing: -.03em;
    line-height: 1;
}

.verbs li {
    color: transparent;
    -webkit-text-stroke: 1px rgba(108, 184, 255, .75);
    text-shadow: 0 0 32px rgba(47, 107, 255, .45);
}

.verbs li:nth-child(2) { margin-left: clamp(0px, 4vw, 70px); }
.verbs li:nth-child(3) { margin-left: clamp(0px, 8vw, 140px); }

/* ---------- 04 THE CODE ---------- */

.s-code .veil {
    background:
        linear-gradient(90deg, rgba(2, 4, 10, .9) 0%, rgba(2, 4, 10, .55) 45%, transparent 75%),
        radial-gradient(70% 50% at 66% 52%, transparent 30%, rgba(2, 4, 10, .5));
}

.s-code .content { padding-top: 34svh; padding-bottom: 28svh; }
.s-code h2 { max-width: 9ch; }

.listing {
    margin-top: clamp(36px, 8svh, 84px);
    padding: 26px 0 26px 0;
    border-left: 1px solid rgba(245, 184, 92, .35);
    font-family: var(--mono);
    font-size: clamp(.82rem, 1.45vw, 1.2rem);
    line-height: 2.2;
    width: max-content;
    max-width: 100%;
}

.ln { display: flex; gap: 22px; padding-left: 20px; white-space: nowrap; }
.ln i { font-style: normal; color: #5f6b88; user-select: none; }
.ln span { color: #c9d3ec; overflow: hidden; }
.ln b { color: var(--gold); font-weight: 500; }

.js .ln span {
    width: 0;
    border-right: 2px solid transparent;
}

.js .listing.in .ln span {
    animation: type 1.1s steps(var(--n)) var(--d) forwards, caret 1.1s step-end var(--d) forwards;
}

@keyframes type { to { width: calc(var(--n) * 1ch); } }
@keyframes caret {
    0%   { border-right-color: var(--gold); }
    99%  { border-right-color: var(--gold); }
    100% { border-right-color: transparent; }
}

.js .listing:not(.in) .ln i { opacity: 0; }
.ln i { transition: opacity .6s; }

/* the last line keeps a blinking caret */
.js .listing.in .ln:last-child span { animation: type 1.1s steps(var(--n)) var(--d) forwards, blink 1s step-end calc(var(--d) + 1.1s) infinite; }
@keyframes blink { 50% { border-right-color: var(--gold); } 0%, 100% { border-right-color: transparent; } }

/* ---------- 05 THE UNKNOWN ---------- */

.s-unknown { --h: 210svh; }

.s-unknown .veil {
    background:
        radial-gradient(80% 50% at 50% 100%, rgba(2, 4, 10, .96), transparent 70%),
        linear-gradient(to bottom, rgba(2, 4, 10, .35), transparent 30%);
}

.s-unknown .content {
    padding-top: 52svh;
    padding-bottom: 36px;
    text-align: center;
    margin: 0 auto;
}

.s-unknown .eyebrow { margin-bottom: 26px; }
.s-unknown h2 { max-width: 15ch; margin: 0 auto; font-size: clamp(2.2rem, 6vw, 5.8rem); }

.questions {
    margin: clamp(48px, 10svh, 110px) auto 0;
    display: grid;
    gap: clamp(26px, 6svh, 56px);
}

.questions li {
    font-size: clamp(1.25rem, 3.2vw, 2.6rem);
    font-weight: 300;
    letter-spacing: -.02em;
    color: #d8e1f7;
}

.questions li:nth-child(2) { color: var(--blue); }
.questions li:nth-child(3) { color: var(--gold); }

.finale {
    margin-top: clamp(110px, 26svh, 280px);
    font-size: clamp(2.6rem, 10vw, 10.5rem);
    font-weight: 600;
    letter-spacing: -.04em;
    line-height: .95;
    background: linear-gradient(100deg, #fff 0%, #bfe0ff 30%, var(--gold) 70%, #fff 100%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 40px rgba(245, 184, 92, .25));
    animation: sheen 9s ease-in-out infinite alternate;
}

.js .finale[data-r] { filter: blur(8px) drop-shadow(0 0 40px rgba(245, 184, 92, .25)); }
.js .finale[data-r].in { filter: drop-shadow(0 0 40px rgba(245, 184, 92, .25)); }

@keyframes sheen { to { background-position: 100% 0; } }

.foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: clamp(90px, 20svh, 200px);
    padding-top: 24px;
    border-top: 1px solid rgba(143, 156, 186, .2);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--mute);
    text-align: left;
}

.foot a:hover { color: var(--gold); }

/* ---------- small screens ---------- */

@media (max-width: 720px) {
    body { font-size: 16px; }

    .bar { padding-top: 18px; }
    .mark { letter-spacing: .38em; }
    .counter span { display: none; }

    .rail {
        top: auto;
        bottom: 16px;
        right: 50%;
        transform: translateX(50%);
        padding: 10px 18px;
        border: 1px solid rgba(143, 156, 186, .2);
        border-radius: 99px;
        background: rgba(2, 4, 10, .55);
        backdrop-filter: blur(10px);
    }

    .rail ul { display: flex; gap: 4px; }
    .rail a { height: 24px; width: 24px; justify-content: center; }
    .rail a span, .rail a em { display: none; }

    .scene + .scene { margin-top: -20svh; }
    .eyebrow { letter-spacing: .26em; }
    .s-structure .content, .s-machine .content, .s-code .content { padding-top: 24svh; }
    .s-unknown .content { padding-top: 38svh; }
    .s-structure .veil { background: linear-gradient(180deg, rgba(2, 4, 10, .85), rgba(2, 4, 10, .25) 60%, transparent); }
    .s-code .veil { background: linear-gradient(180deg, rgba(2, 4, 10, .88), rgba(2, 4, 10, .55) 70%, rgba(2, 4, 10, .3)); }
    .listing { line-height: 2; }
    .ln { gap: 12px; padding-left: 14px; }
    .foot { margin-bottom: 56px; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js [data-r], .js [data-split] .w { opacity: 1; transform: none; filter: none; }
    .js .ln span { width: calc(var(--n) * 1ch); }
    .stage { transform: scale(1.06); }
}

/* ---------- refinements after visual review ---------- */

.lede { text-wrap: balance; }

/* 01: headline top-left so the silhouette stays visible, call to action at the bottom */
.s-cosmos .content {
    align-items: flex-start;
    text-align: left;
    margin: 0;
    max-width: none;
    padding-top: clamp(96px, 17svh, 190px);
}

.s-cosmos h1 { font-size: clamp(2.7rem, 7.6vw, 8.2rem); max-width: 9.5ch; margin-bottom: auto; }
.s-cosmos .eyebrow { margin-bottom: 26px; }
.s-cosmos .lede { max-width: 30ch; }

.s-cosmos .veil {
    background:
        radial-gradient(120% 60% at 50% 100%, rgba(2, 4, 10, .92), transparent 62%),
        linear-gradient(90deg, rgba(2, 4, 10, .55), transparent 55%),
        linear-gradient(to bottom, rgba(2, 4, 10, .4), transparent 28%);
}

/* 03: outlined verbs get a faint fill to stay readable over the bright horizon */
.verbs li {
    color: rgba(108, 184, 255, .16);
    -webkit-text-stroke: 1px rgba(150, 205, 255, .95);
    text-shadow: 0 0 36px rgba(47, 107, 255, .6);
}

/* 04: larger listing */
.listing { font-size: clamp(.9rem, 1.7vw, 1.5rem); }

/* 05: the event horizon drifts away while the closing questions arrive */
.s-unknown .stage {
    transform: translate3d(calc(var(--mx, 0) * -10px), calc((var(--p, 0) + 1) * -30cqh + var(--my, 0) * -8px), 0) scale(1.06);
}

@media (max-width: 720px) {
    .s-cosmos .content { padding-top: clamp(84px, 14svh, 130px); padding-bottom: 96px; }
    .s-cosmos h1 { font-size: clamp(2.6rem, 14vw, 4.6rem); max-width: 7ch; }
    .verbs li:nth-child(n) { margin-left: 0; }
}

.s-unknown .stage { -webkit-mask-image: linear-gradient(to bottom, #000 62%, transparent 96%); mask-image: linear-gradient(to bottom, #000 62%, transparent 96%); }

@media (max-width: 720px) {
    .s-unknown .stage { transform: translate3d(0, calc((var(--p, 0) + 1) * -44cqh), 0) scale(1.06); }
}

/* ---------- top navigation (home + blog + shop) ---------- */

.topnav {
    display: flex;
    gap: clamp(18px, 3vw, 40px);
    margin-left: auto;
    pointer-events: auto;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .24em;
    text-transform: uppercase;
}

.topnav a {
    padding: 8px 0;
    color: var(--mute);
    border-bottom: 1px solid transparent;
    transition: color .3s, border-color .3s;
}

.topnav a:hover, .topnav a.is-current { color: var(--ink); border-bottom-color: var(--gold); }
.topnav .short { display: none; }
.bar .counter { margin-left: clamp(24px, 4vw, 56px); }

@media (max-width: 720px) {
    .bar .counter { display: none; }
    .topnav .long { display: none; }
    .topnav .short { display: inline; }
    .mark { letter-spacing: .3em; }
}

/* ---------- language switcher (home and about) ---------- */

.lang { position: relative; margin-left: clamp(18px, 3vw, 40px); pointer-events: auto; font: 400 11px/1 var(--mono); letter-spacing: .24em; }
.lang summary { list-style: none; cursor: pointer; padding: 8px 0; color: var(--mute); border-bottom: 1px solid transparent; transition: color .3s, border-color .3s; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: " ▾"; letter-spacing: 0; }
.lang summary:hover, .lang[open] summary { color: var(--ink); border-bottom-color: var(--gold); }
.lang ul { position: absolute; right: 0; top: calc(100% + 8px); min-width: 150px; padding: 6px; border: 1px solid rgba(143, 156, 186, .25); background: rgba(4, 8, 18, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.lang a { display: block; padding: 11px 12px; color: #b9c4de; letter-spacing: .12em; }
.lang a:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.lang a.is-current { color: var(--gold); }
@media (max-width: 720px) {
    .lang { margin-left: 16px; }
}

@media (max-width: 720px) {
    .topnav .nav-about { display: none; }
}

@media (max-width: 720px) {
    .mark { gap: 10px; letter-spacing: .22em; }
    .mark-logo { height: 22px; }
}

@media (max-width: 420px) {
    .bar { padding-left: 18px; padding-right: 18px; }
    .mark { gap: 8px; letter-spacing: .14em; }
    .topnav { gap: 12px; letter-spacing: .14em; }
    .lang { margin-left: 10px; letter-spacing: .14em; }
}