/*
  Ciya Labs - site styles
  Built on the Machina template by TemplateMo (https://templatemo.com/tm-632-machina),
  re-themed and extended: six blocks, HUD navigation, research scope, product roadmap, legal pages.
*/

/* ---------------------------------------------------------- */
/* FONTS - self-hosted (no third-party requests)               */
/* ---------------------------------------------------------- */

@font-face {
    font-family: 'JetBrains Mono';
    src: url('../fonts/JetBrainsMono-var.woff2') format('woff2');
    font-weight: 100 800;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-var.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --void: #03070C;
    /* deep night - matches the hero image edges */
    --panel: #060C14;
    /* raised surface */
    --silver: #E4EAF0;
    /* text */
    --dim: rgba(228, 234, 240, 0.58);
    --faint: rgba(228, 234, 240, 0.28);
    --line: rgba(228, 234, 240, 0.10);
    --cyan: #3FD6E6;
    /* glacier cyan - sampled from the hero glow */
    --cyan-rgb: 63, 214, 230;
    --cyan-soft: rgba(63, 214, 230, 0.10);
    --cyan-glass: rgba(63, 214, 230, 0.05);
    --red: #D9473A;
    /* Ciya ember - the logo red, used for active states */
    --red-rgb: 217, 71, 58;
    --disp: 'JetBrains Mono', ui-monospace, 'DejaVu Sans Mono', monospace;
    --body: 'Inter', system-ui, sans-serif;
    --ease-silk: cubic-bezier(0.22, 1, 0.36, 1);
    --pad-y: clamp(84px, 11vh, 112px);
    --pad-x: clamp(32px, 4.6vw, 84px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    overflow: hidden;
    /* virtual scroll engine owns the page */
    overscroll-behavior: none;
}

body {
    background: var(--void);
    color: var(--silver);
    font-family: var(--body);
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

/* faint engineering grid behind everything */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        repeating-linear-gradient(to right, rgba(228, 234, 240, 0.025) 0 1px, transparent 1px 120px),
        repeating-linear-gradient(to bottom, rgba(228, 234, 240, 0.02) 0 1px, transparent 1px 120px);
    pointer-events: none;
    z-index: 0;
}

::selection {
    background: var(--cyan);
    color: var(--void);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
}

button:focus-visible,
a:focus-visible {
    outline: 1px solid var(--cyan);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    top: -60px;
    left: 20px;
    z-index: 50;
    padding: 10px 16px;
    background: var(--cyan);
    color: var(--void);
    font: 500 12px var(--disp);
    letter-spacing: 0.2em;
}

.skip-link:focus {
    top: 20px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------------------------------------------------------- */
/* STAGE AND TRACK PANELS                                      */
/* ---------------------------------------------------------- */

.stage {
    position: relative;
    z-index: 1;
}

.panel {
    position: fixed;
    top: 0;
    height: 100vh;
    width: 50%;
    display: flex;
    align-items: center;
    will-change: transform;
}

.t-left {
    left: 0;
}

.t-right {
    left: 50%;
}

.panel-inner {
    width: 100%;
    max-height: 100vh;
    overflow-y: auto;
    scrollbar-width: none;
    padding: var(--pad-y) var(--pad-x);
}

.panel-inner::-webkit-scrollbar {
    display: none;
}

/* center seam */
.seam {
    position: fixed;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100vh;
    background: var(--line);
    z-index: 4;
    pointer-events: none;
}

.seam::after {
    content: "";
    position: absolute;
    left: -2px;
    top: 0;
    width: 5px;
    height: 56px;
    background: var(--cyan);
    opacity: 0.9;
    transform: translateY(var(--seam-y, 0px));
}

/* full-bleed media panels */
.panel-media {
    padding: 0;
    align-items: stretch;
}

.media-frame {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--panel);
}

.media-frame picture,
.media-frame img {
    width: 100%;
    height: 100%;
    display: block;
}

.media-frame img {
    object-fit: cover;
    filter: saturate(0.9) contrast(1.05) brightness(0.9);
}

/* the hero keeps its own colour; detail crops sit a touch quieter */
.media-frame.hero img {
    object-position: 50% 40%;
    filter: none;
}

/* soft vignette that blends photography into the HUD */
.media-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(3, 7, 12, 0.35), transparent 22%, transparent 70%, rgba(3, 7, 12, 0.6)),
        linear-gradient(to right, rgba(3, 7, 12, 0.35), transparent 18%);
    pointer-events: none;
}

.t-left .media-frame::after {
    background:
        linear-gradient(to bottom, rgba(3, 7, 12, 0.35), transparent 22%, transparent 70%, rgba(3, 7, 12, 0.6)),
        linear-gradient(to left, rgba(3, 7, 12, 0.35), transparent 18%);
}

/* captions sit top-left, clear of the HUD's corner and centre controls */
.media-tag {
    position: absolute;
    left: 28px;
    top: 84px;
    z-index: 2;
    font-family: var(--disp);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--silver);
    background: rgba(3, 7, 12, 0.6);
    border: 1px solid var(--line);
    padding: 10px 14px;
    backdrop-filter: blur(4px);
}

.media-tag b {
    color: var(--cyan);
    font-weight: 500;
}

/* infinite scan line on the hero image */
.scanline {
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--cyan);
    box-shadow: 0 0 14px rgba(var(--cyan-rgb), 0.9), 0 0 40px rgba(var(--cyan-rgb), 0.35);
    z-index: 2;
    opacity: 0.7;
    animation: scanY 7s linear infinite;
}

@keyframes scanY {
    0% {
        top: -2px;
    }

    50% {
        top: 100%;
    }

    100% {
        top: -2px;
    }
}

/* ---------------------------------------------------------- */
/* SHARED TYPE PARTS                                           */
/* ---------------------------------------------------------- */

.eyebrow {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--disp);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--cyan);
    margin-bottom: 26px;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--red);
    flex: 0 0 6px;
}

/* hero: the eyebrow as a small status tag */
.eyebrow.tag {
    display: inline-flex;
    gap: 12px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    background: rgba(6, 12, 20, 0.6);
    color: var(--silver);
}

.eyebrow.tag::before {
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(var(--red-rgb), 0.6);
    animation: tag-pulse 2.4s ease-out infinite;
}

@keyframes tag-pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--red-rgb), 0.55); }
    70%, 100% { box-shadow: 0 0 0 8px rgba(var(--red-rgb), 0); }
}

.lede {
    color: var(--dim);
    font-size: 15px;
    line-height: 1.8;
    letter-spacing: 0.01em;
    max-width: 48ch;
}

.lede em {
    color: var(--silver);
    font-style: normal;
}

.section-title {
    font-family: var(--disp);
    font-weight: 800;
    font-size: clamp(1.9rem, 3vw, 3rem);
    line-height: 1.04;
    text-transform: uppercase;
    letter-spacing: -0.015em;
    margin-bottom: 18px;
}

.section-title .slash,
.hero-title .slash {
    color: var(--cyan);
}

.section-title .thin,
.hero-title .thin {
    font-weight: 300;
    color: var(--dim);
}

.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ext {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--disp);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--silver);
    border: 1px solid var(--line);
    padding: 8px 12px;
    text-transform: uppercase;
    transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.ext::after {
    content: "\2197";
    color: var(--cyan);
    letter-spacing: 0;
    transition: color 0.25s, transform 0.25s var(--ease-silk);
}

.ext:hover {
    border-color: var(--red);
    color: var(--red);
    background: rgba(var(--red-rgb), 0.06);
}

.ext.is-soon {
    color: var(--faint);
    border-style: dashed;
    cursor: default;
}

.ext.is-soon::after {
    content: none;
}

.ext.is-soon:hover {
    color: var(--faint);
    border-color: var(--line);
    background: none;
}

.ext:hover::after {
    color: var(--red);
    transform: translate(2px, -2px);
}

/* ---------------------------------------------------------- */
/* BLOCK 1 // HOME                                             */
/* ---------------------------------------------------------- */

.hero-title {
    font-family: var(--disp);
    font-weight: 800;
    font-size: clamp(3.2rem, 6.6vw, 6.8rem);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.hero-title .thin {
    letter-spacing: 0.12em;
}

/* one line: CIYA // LABS */
.hero-title.one-line {
    font-size: clamp(2.6rem, 4.9vw, 5.2rem);
    white-space: nowrap;
}

.hero-title.one-line .thin {
    letter-spacing: 0.06em;
}

.clock-shell {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px 16px;
    border: 1px solid var(--line);
    border-left: 2px solid var(--cyan);
    padding: 15px 22px;
    margin: 34px 0 38px;
    background: rgba(6, 12, 20, 0.7);
}

.clock-label {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.26em;
    color: var(--dim);
}

#live-clock {
    font-family: var(--disp);
    font-weight: 500;
    font-size: clamp(1.25rem, 1.9vw, 1.7rem);
    letter-spacing: 0.06em;
    color: var(--cyan);
    font-variant-numeric: tabular-nums;
    min-width: 11ch;
}

#live-clock .ms {
    color: var(--red);
}

.spec-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-top: 1px solid var(--line);
    max-width: 560px;
}

.spec-cell {
    flex: 1 1 0;
    min-width: 120px;
    padding: 18px 18px 0 0;
    border-right: 1px solid var(--line);
    margin-right: 18px;
}

.spec-cell:last-child {
    border-right: 0;
    margin-right: 0;
}

.spec-cell .k {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.24em;
    color: var(--faint);
    display: block;
    margin-bottom: 8px;
}

.spec-cell .v {
    font-family: var(--disp);
    font-weight: 500;
    font-size: 1.25rem;
    color: var(--silver);
}

.spec-cell .v small {
    font-size: 0.6em;
    letter-spacing: 0.14em;
    color: var(--cyan);
    margin-left: 6px;
}

/* ---------------------------------------------------------- */
/* BLOCK 2 // RESEARCH ACCORDION + SCOPE                       */
/* ---------------------------------------------------------- */

.accordion {
    margin-top: 30px;
    border-top: 1px solid var(--line);
}

.acc-item {
    border: 1px solid transparent;
    border-bottom: 1px solid var(--line);
    transition: border-color 0.35s var(--ease-silk), background 0.35s var(--ease-silk);
}

.acc-item.open {
    border: 1px solid rgba(var(--cyan-rgb), 0.7);
    background: var(--cyan-glass);
}

.acc-head {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 18px;
    text-align: left;
    padding: 18px 18px;
}

.acc-title {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 14px;
    font-family: var(--disp);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.25s;
}

.acc-title small {
    font-weight: 400;
    font-size: 10.5px;
    letter-spacing: 0.18em;
    color: var(--faint);
}

.acc-icon {
    position: relative;
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
}

.acc-icon::before,
.acc-icon::after {
    content: "";
    position: absolute;
    background: var(--cyan);
    transition: transform 0.4s var(--ease-silk), background 0.3s;
}

.acc-icon::before {
    left: 0;
    top: 6px;
    width: 14px;
    height: 2px;
}

.acc-icon::after {
    left: 6px;
    top: 0;
    width: 2px;
    height: 14px;
}

.acc-item.open .acc-icon::after {
    transform: scaleY(0);
}

.acc-item.open .acc-icon::before {
    background: var(--red);
}

.acc-head:hover .acc-title {
    color: var(--cyan);
}

.acc-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.55s var(--ease-silk);
}

.acc-body p {
    padding: 0 18px 16px 18px;
    color: var(--dim);
    font-size: 13.5px;
    line-height: 1.75;
}

.acc-body .data-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    padding: 0 18px 16px 18px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.16em;
    color: var(--cyan);
}

.acc-body .link-row {
    padding: 0 18px 20px 18px;
}

/* research scope - a live visual per research line */
.scope {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 45%, rgba(var(--cyan-rgb), 0.06), transparent 65%),
        var(--panel);
}

.scope canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.scope-chip {
    position: absolute;
    top: 84px;
    left: 28px;
    z-index: 3;
    font-family: var(--disp);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--silver);
    background: rgba(3, 7, 12, 0.6);
    border: 1px solid var(--line);
    border-left: 2px solid var(--cyan);
    padding: 10px 14px;
    backdrop-filter: blur(4px);
}

.scope-chip.blip {
    border-left-color: var(--red);
}

.scope-read {
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 96px;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.2em;
    color: var(--cyan);
}

.scope-read span {
    background: rgba(3, 7, 12, 0.7);
    border: 1px solid rgba(var(--cyan-rgb), 0.3);
    padding: 8px 12px;
    backdrop-filter: blur(4px);
}

.scope-read .cap {
    color: var(--dim);
    border-color: var(--line);
}

/* ---------------------------------------------------------- */
/* BLOCK 3 // PRODUCTS ROADMAP + 3D CAROUSEL                   */
/* ---------------------------------------------------------- */

.roadmap {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--pad-y) var(--pad-x);
    background:
        radial-gradient(circle at 20% 80%, rgba(var(--red-rgb), 0.05), transparent 55%),
        var(--panel);
    overflow: hidden;
}

.roadmap-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.24em;
    color: var(--dim);
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
    max-width: 620px;
}

.roadmap-head .live {
    color: var(--silver);
}

.roadmap-head .live::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 10px;
    background: var(--red);
    vertical-align: 1px;
}

/* vertical timeline: a rail with one node per step */
.rm-list {
    list-style: none;
    margin: 26px 0 0;
    padding: 0;
    max-width: 620px;
}

.rm-step {
    position: relative;
    display: grid;
    grid-template-columns: 9ch 1fr;
    gap: 22px;
    padding: 0 0 22px 26px;
}

.rm-step::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: -8px;
    width: 1px;
    background: var(--line);
}

.rm-step:last-child::before {
    display: none;
}

.rm-step::after {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 9px;
    height: 9px;
    border: 1px solid rgba(var(--cyan-rgb), 0.8);
    background: var(--panel);
}

.rm-step.is-now::after {
    border-color: var(--red);
    background: var(--red);
    box-shadow: 0 0 0 0 rgba(var(--red-rgb), 0.55);
    animation: tag-pulse 2.4s ease-out infinite;
}

.rm-when {
    font-family: var(--disp);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--cyan);
    padding-top: 1px;
}

.rm-step.is-now .rm-when {
    color: var(--red);
}

.rm-body {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.rm-body b {
    font-family: var(--disp);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--silver);
}

.rm-body span {
    font-size: 13px;
    line-height: 1.6;
    color: var(--dim);
}

.rm-foot {
    max-width: 620px;
    margin-top: 6px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    font-size: 12px;
    line-height: 1.6;
    color: var(--faint);
}

.rm-cta {
    align-self: flex-start;
    margin-top: 18px;
}

.carousel-panel {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
}

.carousel-panel .head {
    text-align: center;
    max-width: 46ch;
}

.carousel-panel .eyebrow {
    justify-content: center;
}

.carousel-panel .lede {
    margin: 0 auto;
    font-size: 14px;
}

.c3d-stage {
    width: 100%;
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1100px;
    cursor: grab;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
}

.c3d-stage.dragging {
    cursor: grabbing;
}

.c3d {
    position: relative;
    width: 230px;
    height: 300px;
    transform-style: preserve-3d;
}

.c3d-card {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    transition: opacity 0.2s linear;
}

/* two-sided cards: designed back face instead of mirrored text */
.card-face {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.face-front {
    background: rgba(6, 12, 20, 0.96);
    border: 1px solid rgba(var(--cyan-rgb), 0.8);
    box-shadow: 0 0 50px rgba(var(--cyan-rgb), 0.06) inset;
}

.face-back {
    transform: rotateY(180deg);
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(6, 12, 20, 0.9);
    border: 1px dashed rgba(var(--cyan-rgb), 0.35);
}

.face-back .back-id {
    font-family: var(--disp);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--cyan);
}

.face-back .back-rule {
    width: 40px;
    height: 1px;
    background: rgba(var(--cyan-rgb), 0.6);
}

.face-back .back-label {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.22em;
    color: var(--dim);
    text-align: center;
    line-height: 1.8;
}

.c3d-card .c-id {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.26em;
    color: var(--red);
}

.c3d-card .c-name {
    font-family: var(--disp);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1.1;
}

.c3d-card .c-fig {
    font-family: var(--disp);
    font-weight: 600;
    font-size: 1.7rem;
    color: var(--cyan);
    letter-spacing: 0.04em;
}

.c3d-card .c-fig small {
    display: block;
    font-size: 9.5px;
    font-weight: 400;
    letter-spacing: 0.24em;
    color: var(--dim);
    margin-top: 4px;
}

.c3d-card .c-desc {
    font-size: 12px;
    line-height: 1.65;
    color: var(--dim);
}

/* control deck */
.c3d-deck {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.c3d-status {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
    min-height: 34px;
    font-family: var(--disp);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.24em;
    color: var(--silver);
}

.c3d-status b {
    color: var(--cyan);
    font-weight: 500;
}

.c3d-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.c3d-ctl,
.mod-btn {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: rgba(6, 12, 20, 0.7);
    transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.c3d-ctl {
    width: 40px;
}

.c3d-ctl:hover {
    border-color: var(--red);
}

.chev-l,
.chev-r {
    width: 9px;
    height: 9px;
    border-left: 1.6px solid var(--cyan);
    border-bottom: 1.6px solid var(--cyan);
    transition: border-color 0.25s;
}

.chev-l {
    transform: rotate(45deg) translate(1px, -1px);
}

.chev-r {
    transform: rotate(-135deg) translate(1px, -1px);
}

.c3d-ctl:hover .chev-l,
.c3d-ctl:hover .chev-r {
    border-color: var(--red);
}

/* one dot per product: a 24px hit area around a 7px mark */
.mod-btn {
    width: 24px;
    border: 0;
    background: none;
}

.mod-btn::before {
    content: "";
    width: 7px;
    height: 7px;
    border: 1px solid rgba(228, 234, 240, 0.35);
    transition: background 0.25s, border-color 0.25s;
}

.mod-btn:hover::before {
    border-color: var(--silver);
}

.mod-btn.active::before {
    background: var(--red);
    border-color: var(--red);
}

/* play and pause glyphs drawn in CSS */
.ico-play {
    width: 0;
    height: 0;
    border-left: 9px solid var(--cyan);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.c3d-ctl.playing .ico-play {
    width: 8px;
    height: 12px;
    border-top: 0;
    border-bottom: 0;
    border-left: 3px solid var(--cyan);
    border-right: 3px solid var(--cyan);
}

.c3d-hint {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.26em;
    color: var(--faint);
    text-align: center;
}

.c3d-hint b {
    color: var(--cyan);
    font-weight: 500;
}

/* ---------------------------------------------------------- */
/* BLOCK 4 // VENTURES TABS + KINETIC TYPE                     */
/* ---------------------------------------------------------- */

.tab-rail {
    display: flex;
    border: 1px solid var(--line);
    margin: 34px 0 28px;
}

.tab-btn {
    flex: 1;
    padding: 18px 10px;
    font-family: var(--disp);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--dim);
    border-right: 1px solid var(--line);
    position: relative;
    transition: color 0.2s, background 0.2s;
}

.tab-btn:last-child {
    border-right: 0;
}

.tab-btn::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease-silk);
}

.tab-btn:hover {
    color: var(--silver);
    background: rgba(228, 234, 240, 0.03);
}

.tab-btn.active {
    color: var(--red);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-copy {
    min-height: 150px;
}

.tab-copy p {
    color: var(--dim);
    font-size: 14px;
    line-height: 1.8;
    max-width: 46ch;
}

.tab-meta {
    margin-top: 22px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tab-chip {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--cyan);
    border: 1px solid rgba(var(--cyan-rgb), 0.35);
    padding: 8px 13px;
}

.tab-links {
    margin-top: 26px;
}

/* kinetic outline typography */
.kinetic-panel {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 0 clamp(30px, 4vw, 70px);
    overflow: hidden;
    background: radial-gradient(circle at 30% 70%, rgba(var(--red-rgb), 0.06), transparent 55%);
}

.kinetic-label {
    font-family: var(--disp);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--red);
    margin-bottom: 22px;
}

.kinetic-value {
    font-family: var(--disp);
    font-weight: 800;
    font-size: clamp(3rem, 7vw, 8rem);
    line-height: 0.95;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--cyan);
    transition: opacity 0.18s ease, transform 0.18s ease, letter-spacing 0.18s ease;
    word-break: break-word;
}

.kinetic-value.swap {
    opacity: 0;
    transform: translateY(14px);
    letter-spacing: 0.04em;
}

.kinetic-sub {
    margin-top: 26px;
    font-family: var(--disp);
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--dim);
}

.kinetic-sub b {
    color: var(--silver);
    font-weight: 500;
}

/* ---------------------------------------------------------- */
/* BLOCK 5 // ABOUT                                            */
/* ---------------------------------------------------------- */

.mission {
    font-size: 15.5px;
    line-height: 1.75;
    color: var(--silver);
    max-width: 52ch;
    border-left: 2px solid var(--red);
    padding-left: 20px;
}

.interests {
    list-style: none;
    margin-top: 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
    max-width: 640px;
}

.interests li {
    padding: 14px 16px 14px 0;
    border-bottom: 1px solid var(--line);
}

.interests li:nth-child(odd) {
    border-right: 1px solid var(--line);
}

.interests li:nth-child(even) {
    padding-left: 16px;
}

.interests b {
    display: block;
    font-family: var(--disp);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--silver);
    margin-bottom: 4px;
}

.interests span {
    font-size: 12.5px;
    line-height: 1.55;
    color: var(--dim);
}

.founder {
    margin-top: 24px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--dim);
    max-width: 58ch;
}

.founder b {
    color: var(--silver);
    font-weight: 500;
}

.principles {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}



/* ---------------------------------------------------------- */
/* BLOCK 6 // CONTACT                                          */
/* ---------------------------------------------------------- */

.channels {
    list-style: none;
    margin-top: 32px;
    border-top: 1px solid var(--line);
    max-width: 560px;
}

.channels li {
    display: grid;
    grid-template-columns: 11ch 1fr;
    gap: 16px;
    align-items: baseline;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
}

.channels .k {
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.24em;
    color: var(--faint);
}

.channels .v {
    font-family: var(--disp);
    font-size: 14px;
    letter-spacing: 0.02em;
    color: var(--silver);
    word-break: break-word;
}

.channels a.v {
    transition: color 0.2s;
}

.channels a.v:hover {
    color: var(--cyan);
}

.channels a.v.primary {
    color: var(--cyan);
    font-size: 15px;
}

.channels a.v.primary:hover {
    color: var(--red);
}

.legal-row {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.22em;
    color: var(--faint);
}

.legal-row a {
    color: var(--dim);
    border-bottom: 1px solid var(--faint);
    transition: color 0.2s, border-color 0.2s;
}

.legal-row a:hover {
    color: var(--cyan);
    border-color: var(--cyan);
}

/* ---------------------------------------------------------- */
/* THE HUD OVERLAY                                             */
/* ---------------------------------------------------------- */

.hud {
    position: fixed;
    inset: 0;
    z-index: 20;
    pointer-events: none;
}

.hud-frame {
    position: absolute;
    inset: 14px;
    border: 1px solid var(--line);
}

/* corner brackets */
.hud-frame::before,
.hud-frame::after,
.hud-frame .ck::before,
.hud-frame .ck::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border-color: var(--cyan);
    border-style: solid;
}

.hud-frame::before {
    top: -1px;
    left: -1px;
    border-width: 2px 0 0 2px;
}

.hud-frame::after {
    top: -1px;
    right: -1px;
    border-width: 2px 2px 0 0;
}

.hud-frame .ck::before {
    bottom: -1px;
    left: -1px;
    border-width: 0 0 2px 2px;
}

.hud-frame .ck::after {
    bottom: -1px;
    right: -1px;
    border-width: 0 2px 2px 0;
}

.hud-item {
    position: absolute;
    pointer-events: auto;
}

.hud-brand {
    top: 27px;
    left: 36px;
    display: block;
    line-height: 0;
}

.hud-brand img {
    height: 20px;
    width: auto;
}

/* section navigation - top centre */
.hud-nav {
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 2px;
    background: rgba(3, 7, 12, 0.55);
    border: 1px solid var(--line);
    backdrop-filter: blur(6px);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 13px;
    font-family: var(--disp);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.18em;
    color: var(--dim);
    position: relative;
    transition: color 0.2s, background 0.2s;
}

.nav-btn::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: -1px;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform 0.35s var(--ease-silk);
}

.nav-btn:hover {
    color: var(--silver);
    background: rgba(228, 234, 240, 0.04);
}

.nav-btn.active {
    color: var(--silver);
}

.nav-btn.active::after {
    transform: scaleX(1);
}

.hud-index {
    top: 32px;
    right: 38px;
    font-family: var(--disp);
    font-size: 11px;
    letter-spacing: 0.26em;
    color: var(--dim);
    font-variant-numeric: tabular-nums;
}

.hud-index b {
    color: var(--cyan);
    font-weight: 500;
}

.hud-legal {
    bottom: 30px;
    left: 38px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.2em;
    color: var(--faint);
}

.hud-legal a {
    color: var(--dim);
    transition: color 0.2s;
}

.hud-legal a:hover {
    color: var(--cyan);
}

.hud-legal .dot {
    width: 5px;
    height: 5px;
    background: var(--cyan);
}

.hud-progress {
    bottom: 30px;
    right: 38px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--disp);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--cyan);
    font-variant-numeric: tabular-nums;
}

.hud-progress .bar {
    width: 90px;
    height: 2px;
    background: var(--line);
    position: relative;
    overflow: hidden;
}

.hud-progress .bar i {
    position: absolute;
    inset: 0;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
}

.hud-hint {
    bottom: 88px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--disp);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--faint);
    white-space: nowrap;
    animation: hintPulse 2.6s ease-in-out infinite;
    transition: opacity 0.6s ease;
}

.hud-hint.hide {
    opacity: 0 !important;
    animation: none;
}

/* arrow nav - bottom center, split by the seam */
.hud-arrows {
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1px;
}

.arrow-btn {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: rgba(6, 12, 20, 0.78);
    backdrop-filter: blur(4px);
    transition: border-color 0.25s, background 0.25s, opacity 0.25s;
}

.arrow-btn .chev {
    width: 11px;
    height: 11px;
    border-left: 1.6px solid var(--cyan);
    border-bottom: 1.6px solid var(--cyan);
    transition: border-color 0.25s, transform 0.25s var(--ease-silk);
}

.arrow-btn.up .chev {
    transform: rotate(135deg) translate(-2px, 2px);
}

.arrow-btn.down .chev {
    transform: rotate(-45deg) translate(2px, -2px);
}

.arrow-btn:hover {
    border-color: var(--red);
    background: rgba(var(--red-rgb), 0.06);
}

.arrow-btn:hover .chev {
    border-color: var(--red);
}

.arrow-btn.up:hover .chev {
    transform: rotate(135deg) translate(0, 0);
}

.arrow-btn.down:hover .chev {
    transform: rotate(-45deg) translate(0, 0);
}

.arrow-btn[disabled] {
    opacity: 0.25;
    pointer-events: none;
}

@keyframes hintPulse {

    0%,
    100% {
        opacity: 0.35;
    }

    50% {
        opacity: 1;
    }
}

/* ---------------------------------------------------------- */
/* REVEALS                                                     */
/* ---------------------------------------------------------- */

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.9s var(--ease-silk), transform 0.9s var(--ease-silk);
}

.reveal.on {
    opacity: 1;
    transform: translateY(0);
}

/* ---------------------------------------------------------- */
/* REDUCED MOTION                                              */
/* ---------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

    .scanline,
    .hud-hint,
    .rm-step.is-now::after {
        animation: none;
    }

    .scanline {
        display: none;
    }

    .hud-hint {
        opacity: 0.6;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .acc-body,
    .kinetic-value,
    .eyebrow.tag::before {
        animation: none;
    }

    .nav-btn,
    .nav-btn::after {
        transition: none;
    }
}

/* ---------------------------------------------------------- */
/* MID-WIDTH DESKTOP - compact navigation                      */
/* ---------------------------------------------------------- */

@media (max-width: 1320px) {
    .nav-btn {
        padding: 9px 10px;
        letter-spacing: 0.14em;
    }
}

@media (max-height: 760px) and (min-width: 901px) {
    .hero-title {
        font-size: clamp(3rem, 5.6vw, 5.4rem);
        margin-bottom: 22px;
    }

    .clock-shell {
        margin: 22px 0 26px;
    }

    .c3d-stage {
        height: 300px;
    }

    .interests li {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

/* ---------------------------------------------------------- */
/* MOBILE AND NARROW LAYOUT - native scroll fallback           */
/* ---------------------------------------------------------- */

@media (max-width: 900px) {

    html,
    body {
        height: auto;
        overflow: visible;
        overflow-y: auto;
        overscroll-behavior: auto;
    }

    html {
        scroll-padding-top: 64px;
    }

    .panel {
        position: static;
        width: 100%;
        height: auto;
        min-height: 0;
        transform: none !important;
        will-change: auto;
        overflow-x: clip;
    }

    /* every block reads text first, then its visual */
    .stage {
        display: flex;
        flex-direction: column;
    }

    .panel[data-i="0"] {
        order: 0;
    }

    .panel-media[data-i="0"] {
        order: 1;
    }

    .panel[data-i="1"] {
        order: 2;
    }

    .panel-media[data-i="1"] {
        order: 3;
    }

    .panel[data-i="2"] {
        order: 4;
    }

    .panel-media[data-i="2"] {
        order: 5;
    }

    .panel[data-i="3"] {
        order: 6;
    }

    .panel-media[data-i="3"] {
        order: 7;
    }

    .panel[data-i="4"] {
        order: 8;
    }

    .panel-media[data-i="4"] {
        order: 9;
    }

    .panel[data-i="5"] {
        order: 10;
    }

    .panel-media[data-i="5"] {
        order: 11;
    }

    .panel-inner {
        max-height: none;
        overflow: visible;
        padding: 72px 22px;
    }

    .panel-media {
        height: 72vh;
        min-height: 400px;
    }

    .media-frame.hero {
        height: 86vh;
    }

    .media-tag,
    .scope-chip {
        top: auto;
        bottom: 22px;
        left: 22px;
    }

    .scope-chip {
        top: 22px;
        bottom: auto;
    }

    .scope-read {
        bottom: 22px;
        left: 22px;
        right: 22px;
    }

    .scope {
        height: 70vh;
        min-height: 420px;
    }

    .roadmap {
        padding: 64px 22px;
    }

    .rm-step {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .kinetic-panel {
        min-height: 56vh;
        padding: 70px 22px;
    }

    .seam,
    .hud-frame,
    .hud-index,
    .hud-hint,
    .hud-arrows,
    .hud-progress,
    .hud-legal {
        display: none;
    }

    /* top bar: logo + scrollable section strip */
    .hud {
        inset: 0 0 auto 0;
        height: 56px;
        background: rgba(3, 7, 12, 0.88);
        border-bottom: 1px solid var(--line);
        backdrop-filter: blur(8px);
        pointer-events: auto;
    }

    .hud-brand {
        top: 18px;
        left: 18px;
    }

    .hud-brand img {
        height: 18px;
    }

    .hud-nav {
        top: 0;
        left: auto;
        right: 0;
        transform: none;
        height: 56px;
        max-width: calc(100% - 190px);
        overflow-x: auto;
        scrollbar-width: none;
        background: none;
        border: 0;
        border-left: 1px solid var(--line);
        backdrop-filter: none;
    }

    .hud-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-btn {
        padding: 0 12px;
        white-space: nowrap;
    }

    .c3d-stage {
        height: 340px;
    }

    .spec-cell {
        flex: 1 1 40%;
        margin-bottom: 18px;
    }

    .interests {
        grid-template-columns: 1fr;
    }

    .interests li:nth-child(odd) {
        border-right: 0;
    }

    .interests li:nth-child(even) {
        padding-left: 0;
    }

    .acc-body p,
    .acc-body .data-strip,
    .acc-body .link-row {
        padding-left: 18px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.9rem;
    }

    .kinetic-value {
        font-size: 2.5rem;
        -webkit-text-stroke-width: 1px;
    }

    .tab-btn {
        letter-spacing: 0.1em;
        font-size: 10.5px;
    }

    .hud-nav {
        max-width: calc(100% - 150px);
    }

    .hud-brand img {
        height: 15px;
    }

    .channels li {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}

/* ---------------------------------------------------------- */
/* DOCUMENT PAGES - Imprint, Privacy (native scroll)           */
/* ---------------------------------------------------------- */

body.doc,
html.doc {
    height: auto;
    overflow: auto;
    overscroll-behavior: auto;
}

.doc-head {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px clamp(16px, 4vw, 48px);
    background: rgba(3, 7, 12, 0.9);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

.doc-head img {
    height: 20px;
    width: auto;
    display: block;
}

.doc-head nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.2em;
}

.doc-head nav a {
    color: var(--dim);
    transition: color 0.2s;
}

.doc-head nav a:hover,
.doc-head nav a[aria-current] {
    color: var(--cyan);
}

.doc-main {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 64px 16px 96px;
}

.doc-main h1 {
    font-family: var(--disp);
    font-weight: 800;
    font-size: clamp(1.9rem, 5vw, 2.8rem);
    letter-spacing: -0.015em;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.doc-main h1 .slash {
    color: var(--cyan);
}

.doc-main section {
    margin-top: 36px;
}

.doc-main h2 {
    font-family: var(--disp);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--cyan);
    padding-bottom: 10px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.doc-main p,
.doc-main li,
.doc-main address {
    font-size: 15px;
    line-height: 1.75;
    color: var(--dim);
    max-width: 64ch;
}

.doc-main p+p {
    margin-top: 10px;
}

.doc-main address {
    font-style: normal;
    color: var(--silver);
}

.doc-main ul {
    padding-left: 20px;
}

.doc-main li {
    margin-bottom: 4px;
}

.doc-main a {
    color: var(--cyan);
    border-bottom: 1px solid rgba(var(--cyan-rgb), 0.35);
}

.doc-main a:hover {
    color: var(--red);
    border-color: var(--red);
}

.doc-foot {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 22px 16px 40px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-family: var(--disp);
    font-size: 10.5px;
    letter-spacing: 0.2em;
    color: var(--faint);
}

.doc-foot a {
    color: var(--dim);
}

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

@media (max-height: 760px) and (min-width: 901px) {
    .hero-title.one-line {
        font-size: clamp(2.4rem, 4.4vw, 4.6rem);
    }

}

@media (max-width: 480px) {
    .hero-title.one-line {
        font-size: 2.2rem;
    }
}

/* short desktop screens: keep the whole carousel and its controls in view */
@media (max-height: 760px) and (min-width: 901px) {
    .carousel-panel {
        gap: 12px;
    }

    .carousel-panel .lede {
        font-size: 13px;
    }

    .c3d-stage {
        height: 336px;
    }

    .c3d-hint {
        display: none;
    }
}

/* short desktop screens: the About text in fewer rows */
@media (max-height: 820px) and (min-width: 901px) {
    #about .mission {
        font-size: 14.5px;
    }

    #about .interests {
        grid-template-columns: repeat(3, 1fr);
        margin-top: 20px;
    }

    #about .interests li:nth-child(n) {
        padding: 11px 12px;
        border-right: 1px solid var(--line);
    }

    #about .interests li:nth-child(3n + 1) {
        padding-left: 0;
    }

    #about .interests li:nth-child(3n) {
        border-right: 0;
    }

    #about .principles .tab-chip {
        letter-spacing: 0.12em;
        padding: 7px 10px;
    }

    #about .founder {
        margin-top: 16px;
    }
}