:root,
html[data-theme="dark"] {
    --void: #02030a;
    --bg: #04050c;
    --elev: #0b0f1a;
    --elev-2: #12182a;
    --ink: #f3efe6;
    --ink-dim: #c4c0b6;
    --muted: #8a8578;
    --line: rgba(242, 234, 216, 0.1);
    --line-strong: rgba(242, 234, 216, 0.22);
    --brass: #e39b3d;
    --brass-2: #ffc266;
    --brass-ink: #120e08;
    --mint: #f2ead8;
    --cyan: #f2ead8;
    --glow: rgba(227, 155, 61, 0.32);
    --glow-cyan: rgba(242, 234, 216, 0.22);
    --shadow: rgba(0, 0, 0, 0.42);
    --danger: #e07a6a;
    --grain: 0.04;
    --radius: 1.15rem;
    --display: "Syne", "Segoe UI", sans-serif;
    --sans: "Outfit", "Helvetica Neue", sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, monospace;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --header: 4.6rem;
    --bb-header-h: 4.6rem;
    --bb-gutter-l: max(1.2rem, env(safe-area-inset-left, 0px));
    --bb-gutter-r: max(1.2rem, env(safe-area-inset-right, 0px));
    color-scheme: dark;
}

@property --bb-spin {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
}

@keyframes bb-spin {
    to { --bb-spin: 360deg; }
}

html[data-theme="light"] {
    --void: #e4d9c8;
    --bg: #f3eee4;
    --elev: #fffcf7;
    --elev-2: #ece4d6;
    --ink: #1c1710;
    --ink-dim: #4a4338;
    --muted: #7a7266;
    --line: rgba(180, 90, 34, 0.14);
    --line-strong: rgba(180, 90, 34, 0.26);
    --brass: #c47812;
    --brass-2: #9a5a0c;
    --brass-ink: #fff8ee;
    --mint: #b45a22;
    --cyan: #b45a22;
    --glow: rgba(196, 120, 18, 0.24);
    --glow-cyan: rgba(180, 90, 34, 0.2);
    --shadow: rgba(80, 55, 20, 0.1);
    --danger: #c45b4c;
    --grain: 0.028;
    color-scheme: light;
}

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

html {
    overflow-x: hidden;
    scroll-padding-top: calc(var(--bb-header-h) + 0.6rem);
}

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    transition: background-color 0.45s var(--ease), color 0.45s var(--ease);
    font-family: var(--sans);
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.6;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: color-mix(in srgb, var(--brass) 22%, transparent);
    accent-color: var(--brass);
}

html.bb-has-cursor, html.bb-has-cursor * { cursor: none; }

body.bb-scroll-lock { overflow: hidden; }

::selection {
    background: color-mix(in srgb, var(--brass) 40%, transparent);
    color: var(--ink);
}

:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    box-shadow: 0 0 12px var(--glow-cyan);
}

img { max-width: 100%; display: block; }

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

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

/* ── boot splash ── */
.bb-boot {
    position: fixed;
    inset: 0;
    z-index: 5;
    display: grid;
    place-content: center;
    gap: 0.7rem;
    background: var(--bg);
    pointer-events: none;
    transition: opacity 0.5s var(--ease), visibility 0.5s;
}

body:has(.bb-root) .bb-boot {
    opacity: 0;
    visibility: hidden;
}

.bb-boot .bb-logo { margin: 0 auto; }

/* ── animated brand mark ── */
.bb-logo {
    color: var(--brass);
    display: block;
    overflow: visible;
}

.bb-logo--nav { width: 2.55rem; height: 2.55rem; }
.bb-logo--hero { width: min(42vw, 168px); height: auto; }
.bb-logo--lg { width: min(100%, 280px); height: auto; }
.bb-logo--boot { width: 5.6rem; height: 5.6rem; }
.bb-logo--foot { width: 1.55rem; height: 1.55rem; }

.bb-logo__glow {
    fill: currentColor;
    opacity: 0.16;
    transform-origin: center;
    transform-box: fill-box;
    animation: bb-logo-glow 3.8s ease-in-out infinite;
}

.bb-logo__ring {
    fill: none;
    stroke: currentColor;
    stroke-width: 1px;
    vector-effect: non-scaling-stroke;
    stroke-dasharray: 340;
    stroke-dashoffset: 340;
    animation: bb-logo-draw 1.5s var(--ease) forwards;
}

.bb-logo__core {
    fill: none;
    stroke: var(--cyan);
    stroke-width: 0.8px;
    opacity: 0.5;
    vector-effect: non-scaling-stroke;
}

.bb-logo__spark {
    fill: none;
    stroke: var(--cyan);
    stroke-width: 1.6px;
    vector-effect: non-scaling-stroke;
    stroke-linecap: round;
    stroke-dasharray: 8 332;
    transform-origin: 64px 64px;
    transform-box: view-box;
    animation: bb-logo-orbit 14s linear infinite;
    filter: drop-shadow(0 0 4px var(--cyan));
}

.bb-logo__glyph {
    fill: currentColor;
    font-family: var(--display);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.04em;
    opacity: 0;
    animation: bb-logo-in 0.8s var(--ease) 0.35s forwards;
}

@keyframes bb-logo-draw {
    to { stroke-dashoffset: 0; }
}

@keyframes bb-logo-orbit {
    to { transform: rotate(360deg); }
}

@keyframes bb-logo-glow {
    0%, 100% { opacity: 0.12; transform: scale(0.96); }
    50% { opacity: 0.28; transform: scale(1.05); }
}

@keyframes bb-logo-in {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: none; }
}

.bb-boot__name {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--muted);
}

@keyframes bb-pulse {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 1; }
}

/* ── grain + cursor ── */
.bb-root {
    min-height: 100vh;
    position: relative;
    isolation: isolate;
}

.bb-root::before {
    content: "";
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 70;
    opacity: var(--grain);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

html[data-theme="light"] .bb-root::before {
    mix-blend-mode: multiply;
}

.bb-root::after {
    content: "";
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 71;
    opacity: 0.04;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0 2px,
        rgba(0, 8, 16, 0.55) 3px
    );
}

html[data-theme="light"] .bb-root::after {
    opacity: 0.045;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0 2px,
        rgba(80, 45, 12, 0.14) 3px
    );
}

body::before,
body::after {
    content: "";
    position: fixed;
    top: 14vh;
    bottom: 12vh;
    width: 1px;
    z-index: 8;
    pointer-events: none;
    background: linear-gradient(transparent, var(--cyan), var(--brass), transparent);
    opacity: 0.32;
    box-shadow: 0 0 12px var(--glow-cyan);
}

html[data-theme="light"] body::before,
html[data-theme="light"] body::after {
    opacity: 0.45;
}

body::before { left: max(0.55rem, env(safe-area-inset-left, 0px)); }
body::after { right: max(0.55rem, env(safe-area-inset-right, 0px)); }

.bb-cursor {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 90;
    pointer-events: none;
    width: 0;
    height: 0;
    mix-blend-mode: difference;
    display: none;
}

html.bb-has-cursor .bb-cursor { display: block; }

.bb-cursor__ring {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--glow-cyan);
    transform: translate(-50%, -50%);
    transition: width 0.35s var(--ease), height 0.35s var(--ease), background 0.35s;
}

.bb-cursor.is-hot .bb-cursor__ring {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.08);
}

.bb-cursor__label {
    position: absolute;
    transform: translate(-50%, -50%);
    font-family: var(--mono);
    font-size: 0.7rem;
    opacity: 0;
    color: #fff;
    transition: opacity 0.3s;
}

.bb-cursor.is-hot .bb-cursor__label { opacity: 1; }

.bb-skip {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 100;
    background: var(--brass);
    color: var(--brass-ink);
    padding: 0.6rem 1rem;
    border-radius: 999px;
}

.bb-skip:focus { top: 1rem; }

/* ── header ── */
.bb-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 40;
    padding: max(0.7rem, env(safe-area-inset-top, 0px)) 0 0.7rem;
    overflow: visible;
    transition: background 0.4s var(--ease), border-color 0.4s, backdrop-filter 0.4s, transform 0.5s var(--ease);
}

.bb-header.is-scrolled,
.bb-header.is-open {
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid color-mix(in srgb, var(--cyan) 22%, var(--line));
    box-shadow: 0 1px 18px color-mix(in srgb, var(--cyan) 8%, transparent);
}

.bb-header.is-overlay:not(.is-scrolled):not(.is-open) {
    background: transparent;
    border-bottom-color: transparent;
}

.bb-header__inner {
    width: min(1180px, calc(100% - var(--bb-gutter-l) - var(--bb-gutter-r)));
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.bb-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.bb-brand .bb-logo {
    flex-shrink: 0;
    transition: transform 0.45s var(--ease), filter 0.45s;
}

.bb-brand:hover .bb-logo,
.bb-brand:focus-visible .bb-logo {
    transform: scale(1.08);
    filter: drop-shadow(0 0 10px var(--glow));
}

.bb-brand:hover .bb-logo__spark,
.bb-brand:focus-visible .bb-logo__spark {
    animation-duration: 4s;
}

.bb-brand__text { display: grid; line-height: 1.1; min-width: 0; }
.bb-brand__name {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.32em;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.08rem;
    letter-spacing: -0.045em;
    line-height: 1;
}
.bb-brand__and {
    font-family: var(--mono);
    font-weight: 400;
    font-size: 0.58em;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--brass);
}
.bb-brand__place {
    margin-top: 0.28rem;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.bb-nav {
    display: none;
    margin-left: auto;
    gap: 1.6rem;
}

.bb-nav a {
    font-size: 0.92rem;
    color: var(--ink-dim);
    position: relative;
}

.bb-nav a.active,
.bb-nav a:hover { color: var(--ink); }

.bb-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.35rem;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--brass));
    box-shadow: 0 0 8px var(--glow-cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease);
}

.bb-nav a.active::after,
.bb-nav a:hover::after { transform: scaleX(1); }

.bb-header__end {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
}

.bb-theme {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: none;
    border: 1px solid color-mix(in srgb, var(--cyan) 40%, var(--line-strong));
    border-radius: 50%;
    color: var(--ink-dim);
    cursor: pointer;
    box-shadow: 0 0 12px color-mix(in srgb, var(--cyan) 12%, transparent);
    transition: border-color 0.3s, color 0.3s, background 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}

.bb-theme:hover,
.bb-theme:focus-visible {
    border-color: var(--cyan);
    color: var(--cyan);
    background: color-mix(in srgb, var(--cyan) 10%, transparent);
    box-shadow: 0 0 18px var(--glow-cyan);
}

.bb-theme:active { transform: scale(0.94); }

.bb-theme__icon {
    width: 1.05rem;
    height: 1.05rem;
    display: block;
    transition: transform 0.4s var(--ease);
}

.bb-header__cta {
    display: none;
    padding: 0.55rem 1rem;
    border: 1px solid color-mix(in srgb, var(--cyan) 38%, var(--line-strong));
    border-radius: 999px;
    font-size: 0.82rem;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 0 12px color-mix(in srgb, var(--cyan) 10%, transparent);
    transition: background 0.3s, border-color 0.3s, transform 0.2s, box-shadow 0.3s;
}

.bb-header__cta:hover {
    border-color: var(--cyan);
    background: color-mix(in srgb, var(--cyan) 10%, transparent);
    box-shadow: 0 0 16px var(--glow-cyan);
}

.bb-menu-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    background: none;
    border: 0;
    min-height: 2.75rem;
    padding: 0.4rem 0.15rem 0.4rem 0.45rem;
    color: var(--ink);
    cursor: pointer;
}

.bb-menu-btn__bars {
    width: 18px;
    height: 12px;
    position: relative;
    display: block;
}

.bb-menu-btn__bars i {
    position: absolute;
    left: 0;
    right: 0;
    height: 1.5px;
    background: currentColor;
    transition: transform 0.35s var(--ease), top 0.35s;
}

.bb-menu-btn__bars i:first-child { top: 2px; }
.bb-menu-btn__bars i:last-child { top: 8px; }

.bb-menu-btn.is-open .bb-menu-btn__bars i:first-child {
    top: 5px;
    transform: rotate(40deg);
}

.bb-menu-btn.is-open .bb-menu-btn__bars i:last-child {
    top: 5px;
    transform: rotate(-40deg);
}

@media (min-width: 880px) {
    .bb-nav { display: flex; }
    .bb-header__cta { display: inline-flex; }
    .bb-header__end { margin-left: 0; }
    .bb-menu-btn { display: none; }
    .bb-panel {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
    .bb-hero__mark {
        position: absolute;
        right: 0;
        top: calc(var(--bb-header-h) + 4.6rem);
        margin: 0;
        width: 160px;
    }
}

/* ── panel ── */
.bb-panel {
    position: fixed;
    inset: 0;
    z-index: 35;
    background: color-mix(in srgb, var(--void) 88%, var(--elev));
    display: grid;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    transition: opacity 0.45s var(--ease), visibility 0.45s;
}

.bb-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, var(--cyan) 12%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cyan) 12%, transparent) 1px, transparent 1px);
    background-size: 2.8rem 2.8rem;
    mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 72%);
    opacity: 0.55;
}

.bb-panel.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.bb-panel__inner {
    width: min(1180px, calc(100% - var(--bb-gutter-l) - var(--bb-gutter-r)));
    margin: calc(var(--bb-header-h) + 2rem) auto 2rem;
    display: grid;
    gap: 2rem;
}

.bb-panel__head {
    display: grid;
    gap: 0.4rem;
    max-width: 22rem;
}

.bb-panel__title {
    margin: 0;
    font-family: var(--display);
    font-weight: 700;
    font-size: clamp(1.7rem, 4.4vw, 2.5rem);
    letter-spacing: -0.045em;
    line-height: 0.95;
}

.bb-panel__tag {
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.bb-panel nav {
    display: grid;
    gap: 0.2rem;
}

.bb-panel nav a {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    font-family: var(--display);
    font-size: clamp(2.4rem, 8vw, 5.2rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    padding: 0.15rem 0;
    border-bottom: 1px solid var(--line);
    transform: translateY(12px);
    opacity: 0;
}

.bb-panel.is-open nav a {
    animation: bb-rise 0.7s var(--ease) both;
}

.bb-panel nav a:nth-child(1) { animation-delay: 0.05s; }
.bb-panel nav a:nth-child(2) { animation-delay: 0.12s; }
.bb-panel nav a:nth-child(3) { animation-delay: 0.19s; }
.bb-panel nav a:nth-child(4) { animation-delay: 0.26s; }

.bb-panel nav a small {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--brass);
    letter-spacing: 0.12em;
}

.bb-panel nav a:hover { color: var(--cyan); }

.bb-panel__foot {
    display: grid;
    gap: 0.4rem;
    color: var(--muted);
    max-width: 22rem;
}

.bb-panel__ornament {
    position: absolute;
    right: 6vw;
    bottom: 4vh;
    font-family: var(--display);
    font-size: min(28vw, 14rem);
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px color-mix(in srgb, var(--cyan) 28%, transparent);
    pointer-events: none;
    user-select: none;
}

/* ── layout ── */
.bb-main { padding-top: 0; }
.bb-page { animation: bb-page-in 0.8s var(--ease) both; }

@keyframes bb-page-in {
    from { opacity: 0; transform: translateY(14px); filter: blur(6px); }
    to { opacity: 1; transform: none; filter: none; }
}

@keyframes bb-rise {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
}

@keyframes bb-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

.bb-container {
    width: min(1180px, calc(100% - var(--bb-gutter-l) - var(--bb-gutter-r)));
    margin: 0 auto;
}

.bb-container--narrow { width: min(760px, calc(100% - var(--bb-gutter-l) - var(--bb-gutter-r))); }

.bb-section { padding: 6.5rem 0; }
.bb-section--tight { padding-top: 2.5rem; }

.bb-page-hero + .bb-section,
.bb-page-hero + .bb-section--tight {
    padding-top: 2rem;
}

.bb-section__head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1.5rem;
    margin-bottom: 2.4rem;
}

.bb-section__head h2::after {
    content: "";
    display: block;
    width: 3.2rem;
    height: 2px;
    margin-top: 0.85rem;
    background: linear-gradient(90deg, var(--cyan), var(--brass));
    box-shadow: 0 0 10px var(--glow-cyan);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.8s var(--ease) 0.18s;
}

.bb-section__head.is-visible h2::after {
    transform: scaleX(1);
}

.bb-section__head h2,
.bb-display,
.bb-page-title,
.bb-hero__title,
.bb-cta-band h2,
.bb-footer__huge,
.bb-not-found__title {
    font-family: var(--display);
    font-weight: 750;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.bb-kicker {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--brass);
    margin: 0 0 0.7rem;
}

.bb-kicker::before {
    content: "";
    display: inline-block;
    width: 0.42rem;
    height: 0.42rem;
    margin-right: 0.5rem;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--glow-cyan);
    vertical-align: 0.05em;
}

.bb-lede {
    font-size: 1.12rem;
    color: var(--ink-dim);
    max-width: 40rem;
}

.bb-mono {
    font-family: var(--mono);
    color: var(--brass);
    letter-spacing: 0.08em;
}

.bb-page-hero {
    position: relative;
    overflow: hidden;
    min-height: min(78vh, 42rem);
    display: grid;
    align-content: center;
    padding: calc(var(--bb-header-h) + 2.2rem) 0 4.4rem;
    background-image:
        linear-gradient(color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px);
    background-size: 3.2rem 3.2rem;
    background-position: center bottom;
}

.bb-page-hero::before {
    content: "{[ ]}";
    position: absolute;
    right: -10vw;
    bottom: 4%;
    z-index: 0;
    font-family: var(--display);
    font-weight: 800;
    font-size: min(52vw, 15rem);
    line-height: 0.72;
    color: transparent;
    -webkit-text-stroke: 1px color-mix(in srgb, var(--brass) 16%, transparent);
    pointer-events: none;
    user-select: none;
    animation: bb-float 18s ease-in-out infinite;
}

.bb-page-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    height: 5.5rem;
    pointer-events: none;
    background: linear-gradient(transparent, var(--bg));
}

.bb-page-hero > * {
    position: relative;
    z-index: 2;
}

.bb-page-hero > .bb-scroll-hint {
    position: absolute;
    z-index: 4;
}

.bb-page-hero > .bb-grid-laser {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
    mix-blend-mode: screen;
}

.bb-page-title {
    font-size: clamp(2.6rem, 7vw, 5.4rem);
    margin: 0 0 1.1rem;
    max-width: 16ch;
    text-shadow: 0 0 32px color-mix(in srgb, var(--cyan) 18%, transparent);
}

/* ── buttons ── */
.bb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    background: none;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    white-space: nowrap;
    transition: transform 0.2s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
}

.bb-btn--primary {
    background:
        linear-gradient(var(--brass), var(--brass)) padding-box,
        conic-gradient(from var(--bb-spin), var(--brass), var(--cyan), var(--brass-2), var(--brass)) border-box;
    border: 1px solid transparent;
    color: var(--brass-ink);
    font-weight: 500;
    animation: bb-spin 6s linear infinite;
    box-shadow:
        0 0 22px var(--glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.bb-btn--primary::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 -40%;
    width: 40%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
    transform: skewX(-18deg);
    pointer-events: none;
}

.bb-btn--primary:hover {
    background:
        linear-gradient(var(--brass-2), var(--brass-2)) padding-box,
        conic-gradient(from var(--bb-spin), var(--brass-2), var(--cyan), var(--brass), var(--brass-2)) border-box;
    animation-duration: 2.4s;
}

.bb-btn--primary:hover::after {
    animation: bb-shine 0.7s var(--ease);
}

@keyframes bb-shine {
    from { left: -40%; }
    to { left: 120%; }
}

.bb-btn--ghost {
    border-color: color-mix(in srgb, var(--cyan) 42%, var(--line-strong));
    color: var(--ink);
    box-shadow: 0 0 14px color-mix(in srgb, var(--cyan) 10%, transparent);
}

.bb-btn--ghost:hover {
    border-color: var(--cyan);
    background: color-mix(in srgb, var(--cyan) 10%, transparent);
    box-shadow: 0 0 22px var(--glow-cyan);
}

.bb-btn--text {
    padding-left: 0;
    padding-right: 0;
    border-radius: 0;
    overflow: visible;
    color: var(--brass-2);
    border-bottom: 1px solid color-mix(in srgb, var(--brass) 40%, transparent);
    transition: letter-spacing 0.35s var(--ease), border-color 0.35s;
}

.bb-btn--text:hover {
    letter-spacing: 0.03em;
    border-bottom-color: var(--brass-2);
}

.bb-btn:disabled { opacity: 0.55; }

.bb-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
}

.bb-tags span {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.28rem 0.55rem;
    border: 1px solid color-mix(in srgb, var(--cyan) 22%, var(--line));
    border-radius: 999px;
    color: var(--muted);
}

/* ── hero ── */
.bb-hero {
    position: relative;
    min-height: calc(100svh - 3.6rem);
    min-height: calc(100dvh - 3.6rem);
    display: grid;
    place-items: end stretch;
    overflow: hidden;
    background-color: var(--bg);
    background-image:
        linear-gradient(color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px);
    background-size: 3.2rem 3.2rem;
    background-position: center bottom;
}

.bb-hero::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 5.5rem;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(transparent, var(--bg));
}

.bb-hero > .bb-grid-laser {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
    mix-blend-mode: screen;
}

.bb-hero__field {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bb-hero__veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 62%, var(--bg) 100%),
        linear-gradient(to top, color-mix(in srgb, var(--cyan) 10%, transparent), transparent 18%);
    z-index: 1;
}

.bb-hero__scenery {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.bb-hero__parallax {
    position: absolute;
    z-index: 1;
    pointer-events: none;
    transition: transform 0.6s var(--ease);
}

.bb-hero__ornament {
    display: block;
    font-family: var(--display);
    font-weight: 800;
    line-height: 0.75;
    color: transparent;
    -webkit-text-stroke: 1px color-mix(in srgb, var(--brass) 30%, transparent);
    user-select: none;
    animation: bb-float 16s ease-in-out infinite;
}

.bb-hero__p2 .bb-hero__ornament,
.bb-hero__p3 .bb-hero__ornament,
.bb-hero__p8 .bb-hero__ornament,
.bb-hero__p11 .bb-hero__ornament {
    -webkit-text-stroke-color: color-mix(in srgb, var(--cyan) 32%, transparent);
}

.bb-hero__p1 { left: -8vw; top: 6vh; }
.bb-hero__p1 .bb-hero__ornament { font-size: min(46vw, 26rem); }

.bb-hero__p2 { right: -6vw; bottom: 2vh; }
.bb-hero__p2 .bb-hero__ornament { font-size: min(42vw, 24rem); animation-delay: -5s; }

.bb-hero__p3 { left: 12vw; top: 38vh; }
.bb-hero__p3 .bb-hero__ornament { font-size: min(16vw, 8rem); animation-delay: -2.4s; animation-duration: 13s; }

.bb-hero__p4 { right: 18vw; top: 22vh; }
.bb-hero__p4 .bb-hero__ornament { font-size: min(12vw, 6rem); animation-delay: -7s; animation-duration: 18s; }

.bb-hero__p5 { right: 4vw; top: 52vh; }
.bb-hero__p5 .bb-hero__ornament { font-size: min(18vw, 9rem); animation-delay: -3.5s; animation-duration: 14s; }

.bb-hero__p6 { left: 28vw; bottom: 6vh; }
.bb-hero__p6 .bb-hero__ornament { font-size: min(10vw, 5rem); animation-delay: -9s; animation-duration: 11s; }

.bb-hero__p7 { right: 38vw; bottom: 18vh; }
.bb-hero__p7 .bb-hero__ornament { font-size: min(9vw, 4.4rem); animation-delay: -1.2s; animation-duration: 15s; }

.bb-hero__p8 { left: 6vw; top: 18vh; }
.bb-hero__p8 .bb-hero__ornament { font-size: min(11vw, 5.5rem); animation-delay: -6.2s; animation-duration: 12s; }

.bb-hero__p9 { right: 10vw; top: 4vh; }
.bb-hero__p9 .bb-hero__ornament { font-size: min(8vw, 3.8rem); animation-delay: -4.1s; animation-duration: 17s; }

.bb-hero__p10 { left: 42vw; top: 10vh; }
.bb-hero__p10 .bb-hero__ornament { font-size: min(7vw, 3.4rem); animation-delay: -8.4s; animation-duration: 19s; }

.bb-hero__p11 { right: 28vw; bottom: 4vh; }
.bb-hero__p11 .bb-hero__ornament { font-size: min(8vw, 4rem); animation-delay: -10s; animation-duration: 13s; }

.bb-hero__p12 { left: 2vw; bottom: 28vh; }
.bb-hero__p12 .bb-hero__ornament { font-size: min(13vw, 6.5rem); animation-delay: -0.8s; animation-duration: 16s; }

@keyframes bb-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

.bb-hero__inner {
    position: relative;
    z-index: 2;
    width: min(1180px, calc(100% - var(--bb-gutter-l) - var(--bb-gutter-r)));
    margin: 0 auto;
    padding: calc(var(--bb-header-h) + 3.2rem) 0 5.2rem;
}

.bb-hero__mark {
    width: min(42vw, 168px);
    margin: 0 0 1.4rem;
    animation: bb-fade-up 0.9s var(--ease) both;
}

.bb-hero__kicker { animation: bb-fade-up 0.9s var(--ease) 0.05s both; }

.bb-hero__title {
    font-size: clamp(3.4rem, 11vw, 8.4rem);
    margin: 0 0 1.4rem;
}

.bb-hero__line { display: block; animation: bb-fade-up 0.95s var(--ease) 0.12s both; }
.bb-hero__line--accent { animation-delay: 0.22s; }

.bb-hero__line--accent {
    color: var(--brass-2);
    font-style: italic;
    font-weight: 700;
    text-shadow: 0 0 28px color-mix(in srgb, var(--brass) 55%, transparent);
}

.bb-hero__lede {
    max-width: 36rem;
    font-size: 1.12rem;
    color: var(--ink-dim);
    margin: 0 0 1.8rem;
    animation: bb-fade-up 0.95s var(--ease) 0.32s both;
}

.bb-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2.4rem;
    animation: bb-fade-up 0.95s var(--ease) 0.42s both;
}

.bb-hero__meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 0;
    max-width: 38rem;
    padding-top: 1.4rem;
    border-top: 1px solid color-mix(in srgb, var(--cyan) 28%, var(--line));
    box-shadow: 0 -8px 18px -12px var(--glow-cyan);
    animation: bb-fade-up 0.95s var(--ease) 0.52s both;
}

.bb-hero__meta dt {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.bb-hero__meta dd { margin: 0.15rem 0 0; }

.bb-scroll-hint {
    position: absolute;
    z-index: 4;
    left: 50%;
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.42rem;
    margin: 0;
    padding: 0.45rem 0.7rem;
    border: 0;
    background: none;
    color: var(--brass);
    cursor: pointer;
    transform: translateX(-50%);
    appearance: none;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    animation: bb-hint-in 0.85s var(--ease) 1.05s both;
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.bb-scroll-hint__mouse {
    display: none;
    width: 1.15rem;
    height: 1.85rem;
    border: 1.5px solid color-mix(in srgb, var(--brass) 70%, var(--muted));
    border-radius: 999px;
    position: relative;
}

.bb-scroll-hint__mouse i {
    position: absolute;
    left: 50%;
    top: 0.28rem;
    width: 0.22rem;
    height: 0.36rem;
    margin: 0;
    border: 0;
    border-radius: 999px;
    background: var(--brass);
    transform: translateX(-50%);
    animation: bb-mouse-dot 1.6s var(--ease) infinite;
}

.bb-scroll-hint__label {
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--cyan);
    text-shadow: 0 0 10px var(--glow-cyan);
}

.bb-scroll-hint__chevron {
    width: 0.62rem;
    height: 0.62rem;
    border-right: 1.6px solid var(--cyan);
    border-bottom: 1.6px solid var(--cyan);
    transform: rotate(45deg);
    animation: bb-chevron 1.65s var(--ease) infinite;
    filter: drop-shadow(0 0 6px var(--glow-cyan));
}

.bb-scroll-hint:hover,
.bb-scroll-hint:focus-visible {
    color: var(--brass-2);
}

html.bb-scrolled .bb-scroll-hint {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
    pointer-events: none;
}

@keyframes bb-hint-in {
    from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes bb-chevron {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.28; }
    45% { transform: rotate(45deg) translate(3px, 3px); opacity: 1; }
}

@keyframes bb-mouse-dot {
    0% { opacity: 1; top: 0.28rem; }
    70%, 100% { opacity: 0; top: 0.95rem; }
}

@media (hover: hover) and (pointer: fine) {
    .bb-scroll-hint__mouse { display: block; }
}

/* ── marquee ── */
.bb-marquee {
    overflow: hidden;
    border-block: 1px solid color-mix(in srgb, var(--cyan) 22%, var(--line));
    padding: 1rem 0;
    background: color-mix(in srgb, var(--elev) 70%, transparent);
    box-shadow: 0 0 24px color-mix(in srgb, var(--cyan) 8%, transparent);
}

.bb-marquee__track {
    display: flex;
    gap: 1.4rem;
    width: max-content;
    animation: bb-marquee 32s linear infinite;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.bb-marquee__sep { color: var(--cyan); }

.bb-marquee:hover .bb-marquee__track { animation-play-state: paused; }

@keyframes bb-marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ── intro / services ── */
.bb-intro .bb-display {
    font-size: clamp(2rem, 5vw, 3.6rem);
    max-width: 18ch;
    margin: 0 0 1.2rem;
}

.bb-services { display: grid; gap: 0; }

.bb-service {
    display: grid;
    grid-template-columns: 4.2rem 1fr;
    gap: 1.2rem;
    padding: 1.6rem 0;
    border-top: 1px solid var(--line);
    transition: background 0.35s, padding-left 0.35s var(--ease);
}

.bb-service:last-child { border-bottom: 1px solid var(--line); }
.bb-service:nth-child(1) { transition-delay: 0.04s; }
.bb-service:nth-child(2) { transition-delay: 0.1s; }
.bb-service:nth-child(3) { transition-delay: 0.16s; }
.bb-service:nth-child(4) { transition-delay: 0.22s; }

.bb-service:hover {
    padding-left: 0.6rem;
    background: linear-gradient(90deg, color-mix(in srgb, var(--cyan) 10%, transparent), transparent 55%);
}

.bb-service__num {
    font-family: var(--mono);
    color: var(--brass);
    padding-top: 0.35rem;
}

.bb-service h3 {
    font-family: var(--display);
    font-size: 1.7rem;
    margin: 0 0 0.4rem;
    letter-spacing: -0.03em;
}

.bb-service p { margin: 0; color: var(--ink-dim); max-width: 42rem; }

/* ── work ── */
.bb-work-list { display: grid; gap: 1rem; }

.bb-work-card,
.bb-skill,
.bb-market,
.bb-values article,
.bb-contact-card {
    background-color: var(--elev);
    background-image:
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan)),
        linear-gradient(var(--cyan), var(--cyan));
    background-repeat: no-repeat;
    background-size: 11px 1px, 1px 11px, 11px 1px, 1px 11px, 11px 1px, 1px 11px, 11px 1px, 1px 11px;
    background-position: left top, left top, right top, right top, left bottom, left bottom, right bottom, right bottom;
}

.bb-work-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.4rem;
    align-items: start;
    padding: 1.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}

.bb-work-card::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 -30%;
    width: 30%;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--brass-2) 18%, transparent), transparent);
    transform: skewX(-18deg);
    opacity: 0;
    pointer-events: none;
}

.bb-work-card:hover::after {
    animation: bb-shine 0.85s var(--ease);
    opacity: 1;
}

.bb-work-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--cyan) 40%, var(--line));
    box-shadow: 0 0 28px color-mix(in srgb, var(--cyan) 12%, transparent), 0 24px 50px var(--shadow);
}

.bb-work-card__index {
    font-family: var(--mono);
    color: var(--brass);
}

.bb-work-card__title {
    display: block;
    font-family: var(--display);
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    letter-spacing: -0.03em;
    margin: 0.15rem 0 0.5rem;
}

.bb-work-card__summary { color: var(--ink-dim); display: block; max-width: 40rem; }

.bb-work-card__go {
    font-size: 1.4rem;
    color: var(--cyan);
    text-shadow: 0 0 10px var(--glow-cyan);
    transition: transform 0.35s var(--ease);
}

.bb-work-card:hover .bb-work-card__go { transform: translateX(6px); }

.bb-work-page { display: grid; gap: 3.5rem; }

.bb-study {
    display: grid;
    gap: 0.7rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--line);
}

.bb-study__index {
    font-family: var(--mono);
    color: var(--brass);
}

.bb-study h2 {
    font-family: var(--display);
    font-size: clamp(2.1rem, 5vw, 3.6rem);
    margin: 0;
}

.bb-study-body { display: grid; gap: 1rem; }
.bb-study-body__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1rem; }

/* ── skills / process / portrait ── */
.bb-skills {
    display: grid;
    gap: 2.4rem;
}

.bb-skills__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.bb-skill {
    padding: 1.2rem 1.3rem;
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) - 0.3rem);
    transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}

.bb-skill:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--cyan) 38%, var(--line));
    box-shadow: 0 0 20px color-mix(in srgb, var(--cyan) 10%, transparent);
}

.bb-skill__label {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 0.7rem;
}

.bb-skill ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.25rem; }

.bb-process {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1rem;
}

.bb-process__step {
    padding: 1.4rem 1.5rem;
    border-left: 2px solid var(--brass);
    background: linear-gradient(90deg, color-mix(in srgb, var(--brass) 8%, transparent), transparent);
    box-shadow: -8px 0 18px -10px var(--glow);
    transition: transform 0.4s var(--ease), border-left-width 0.4s;
}

.bb-process__step:nth-child(even) {
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, color-mix(in srgb, var(--cyan) 8%, transparent), transparent);
    box-shadow: -8px 0 18px -10px var(--glow-cyan);
}

.bb-process__step.is-visible,
.bb-reveal.is-visible.bb-process__step {
    border-left-width: 3px;
}

.bb-process__step:hover { transform: translateX(4px); }

.bb-process__step span { font-family: var(--mono); color: var(--brass); }
.bb-process__step h3 {
    font-family: var(--display);
    margin: 0.2rem 0 0.4rem;
    font-size: 1.5rem;
}

.bb-process__step p { margin: 0; color: var(--ink-dim); }

.bb-portrait,
.bb-about-grid {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.bb-portrait__mark {
    width: min(100%, 280px);
    margin: 0 auto;
    display: grid;
    place-items: center;
}

.bb-portrait__mark--lg { width: min(100%, 320px); }
.bb-portrait__mark .bb-logo { width: 100%; height: auto; }

.bb-markets {
    display: grid;
    gap: 1rem;
}

.bb-market {
    position: relative;
    padding: 1.7rem 1.6rem 1.6rem 1.8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}

.bb-market:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--cyan) 38%, var(--line));
    box-shadow: 0 0 20px color-mix(in srgb, var(--cyan) 10%, transparent);
}

.bb-market h3 {
    font-family: var(--display);
    font-size: 1.7rem;
    margin: 0 0 0.4rem;
    letter-spacing: -0.03em;
}

.bb-market p:last-child { margin: 0; color: var(--ink-dim); }

.bb-market__dot {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--brass);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--brass) 50%, transparent);
    animation: bb-ping 2.8s ease-out infinite;
}

.bb-market__dot--wide { background: var(--mint); animation-delay: 0.8s; }

@keyframes bb-ping {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--brass) 45%, transparent); }
    70% { box-shadow: 0 0 0 12px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

.bb-values {
    display: grid;
    gap: 1rem;
}

.bb-values article {
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}

.bb-values article:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--cyan) 35%, var(--line));
    box-shadow: 0 0 20px color-mix(in srgb, var(--cyan) 10%, transparent);
}

.bb-values h3 {
    font-family: var(--display);
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
}

.bb-values p { margin: 0; color: var(--ink-dim); }

/* ── contact ── */
.bb-contact {
    display: grid;
    gap: 2.4rem;
}

.bb-form { display: grid; gap: 1rem; }

.bb-form-row {
    display: grid;
    gap: 1rem;
}

.bb-field { display: grid; gap: 0.4rem; }

.bb-field label {
    font-size: 0.82rem;
    color: var(--ink-dim);
}

.bb-field label span { color: var(--muted); font-size: 0.75rem; }

.bb-field input,
.bb-field textarea,
.bb-field select {
    background: var(--elev);
    border: 1px solid var(--line);
    border-radius: 0.8rem;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    outline: none;
    box-shadow: inset 2px 0 0 color-mix(in srgb, var(--cyan) 35%, transparent);
    transition: border-color 0.25s, box-shadow 0.25s;
}

.bb-field textarea { resize: vertical; min-height: 8.5rem; }

.bb-field input:focus,
.bb-field textarea:focus,
.bb-field select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px var(--glow-cyan), 0 0 16px var(--glow-cyan);
}

.bb-field .validation-message,
.bb-field .invalid {
    color: var(--danger);
    font-size: 0.8rem;
}

.bb-hp {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
}

.bb-alert {
    padding: 0.9rem 1rem;
    border-radius: 0.8rem;
    background: color-mix(in srgb, var(--danger) 12%, var(--elev));
    border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent);
}

.bb-contact-card {
    padding: 1.3rem 1.4rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    display: grid;
    gap: 0.35rem;
    transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}

.bb-contact-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--cyan) 35%, var(--line));
    box-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 10%, transparent);
}

.bb-contact-card a { color: var(--brass-2); }

.bb-hours {
    margin: 0;
    display: grid;
    gap: 0.45rem;
}

.bb-hours div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
}

.bb-hours dt { color: var(--muted); font-weight: 400; }
.bb-hours dd { margin: 0; }

.bb-contact-success {
    padding: 2.4rem;
    border-radius: calc(var(--radius) + 0.2rem);
    background:
        radial-gradient(600px 200px at 0% 0%, color-mix(in srgb, var(--brass) 18%, transparent), transparent 60%),
        var(--elev);
    border: 1px solid var(--line);
}

/* ── cta / footer / 404 ── */
.bb-cta-band {
    padding: 5.5rem 0 6.5rem;
    background:
        radial-gradient(800px 280px at 80% 0%, color-mix(in srgb, var(--brass) 16%, transparent), transparent 70%),
        var(--elev);
    border-top: 1px solid var(--line);
}

.bb-cta-band h2 {
    font-size: clamp(2.1rem, 5vw, 4rem);
    max-width: 16ch;
    margin: 0 0 0.8rem;
}

.bb-footer {
    padding: 4.5rem 0 max(2rem, env(safe-area-inset-bottom, 0px));
    border-top: 1px solid color-mix(in srgb, var(--cyan) 28%, var(--line));
    background: var(--void);
    box-shadow: 0 -1px 28px color-mix(in srgb, var(--cyan) 12%, transparent);
}

.bb-footer__invite {
    font-family: var(--mono);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    font-size: 0.72rem;
    margin: 0 0 0.4rem;
}

.bb-footer__huge {
    display: inline-block;
    font-size: clamp(2.8rem, 8vw, 6.2rem);
    margin: 0 0 3rem;
    background: linear-gradient(120deg, var(--ink), var(--cyan) 42%, var(--brass-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

a.bb-footer__huge::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.08em;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--brass));
    box-shadow: 0 0 12px var(--glow-cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}

a.bb-footer__huge:hover::after { transform: scaleX(1); }

.bb-footer__grid {
    display: grid;
    gap: 2rem;
    padding-bottom: 2.4rem;
    border-bottom: 1px solid var(--line);
}

.bb-footer__brand {
    font-family: var(--display);
    font-size: 1.3rem;
    margin: 0 0 0.4rem;
}

.bb-footer nav { display: grid; gap: 0.3rem; }

.bb-footer__fine {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    padding-top: 1.4rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.bb-footer__fine .bb-logo { flex-shrink: 0; }

.bb-back-top {
    position: fixed;
    right: max(1.2rem, env(safe-area-inset-right, 0px));
    bottom: max(1.2rem, env(safe-area-inset-bottom, 0px));
    z-index: 30;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    border: 1px solid color-mix(in srgb, var(--cyan) 45%, var(--line-strong));
    background: color-mix(in srgb, var(--elev) 80%, transparent);
    backdrop-filter: blur(10px);
    color: var(--cyan);
    box-shadow: 0 0 16px var(--glow-cyan);
}

.bb-not-found {
    min-height: 70vh;
    display: grid;
    align-content: center;
    padding: calc(var(--bb-header-h) + 3rem) 0 4rem;
}

.bb-not-found__code {
    font-family: var(--mono);
    color: var(--brass);
    letter-spacing: 0.2em;
}

.bb-not-found__title {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    max-width: 14ch;
    margin: 0 0 0.8rem;
}

.bb-not-found__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.4rem; }

.bb-not-found__code { cursor: pointer; }

.bb-not-found__egg {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 1.1rem 0 0;
}

.bb-egg-motto {
    display: inline;
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.bb-egg-motto:hover { color: var(--brass); }

.bb-logo.is-disc {
    animation: bb-disc-flash 0.9s var(--ease);
}

@keyframes bb-disc-flash {
    0% { filter: drop-shadow(0 0 4px var(--glow)); transform: rotate(0deg) scale(1); }
    40% { filter: drop-shadow(0 0 22px var(--brass)); transform: rotate(-18deg) scale(1.12); }
    100% { filter: none; transform: none; }
}

.bb-egg {
    position: fixed;
    left: 50%;
    bottom: max(1.6rem, env(safe-area-inset-bottom, 0px));
    z-index: 80;
    transform: translateX(-50%) translateY(12px);
    padding: 0.7rem 1.15rem;
    border: 1px solid color-mix(in srgb, var(--brass) 45%, var(--line));
    border-radius: 999px;
    background: color-mix(in srgb, var(--elev) 88%, transparent);
    backdrop-filter: blur(12px);
    color: var(--brass-2);
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    box-shadow: 0 0 24px var(--glow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.bb-egg.is-on {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

html.bb-grid-live .bb-hero {
    background-image:
        linear-gradient(color-mix(in srgb, var(--cyan) 22%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cyan) 22%, transparent) 1px, transparent 1px);
}
html.bb-grid-live .bb-root::after { opacity: 0.09; }
html.bb-grid-live .bb-cursor__ring {
    width: 7px;
    height: 26px;
    border-radius: 2px;
    box-shadow: 0 0 16px var(--glow), 0 14px 20px var(--glow);
}
html.bb-grid-live .bb-logo__spark { animation-duration: 2.4s; }

.bb-error-fallback {
    min-height: 100vh;
    display: grid;
    place-content: center;
    padding: 2rem;
    padding-bottom: max(2rem, env(safe-area-inset-bottom, 0px));
    text-align: center;
}

/* ── reveal ── */
.bb-reveal {
    opacity: 0;
    transform: translateY(28px);
    filter: blur(4px);
    transition: opacity 0.85s var(--ease), transform 0.95s var(--ease), filter 0.85s var(--ease);
    transition-delay: var(--stagger, 0ms);
}

.bb-reveal.is-visible {
    opacity: 1;
    transform: none;
    filter: none;
}

.bb-portrait__mark.bb-reveal {
    transform: translateY(28px) scale(0.9);
}

.bb-page-hero .bb-kicker { transition-delay: 0.06s; }
.bb-page-hero .bb-page-title { transition-delay: 0.14s; }
.bb-page-hero .bb-lede { transition-delay: 0.24s; }
.bb-page-hero .bb-tags { transition-delay: 0.32s; }

[data-bb-stagger] > .bb-reveal:nth-child(odd) {
    transform: translate3d(-24px, 28px, 0);
}

[data-bb-stagger] > .bb-reveal:nth-child(even) {
    transform: translate3d(24px, 28px, 0);
}

.bb-work-list > .bb-reveal,
.bb-study.bb-reveal {
    transform: translateY(40px) scale(0.96);
}

[data-bb-stagger] > .bb-reveal.is-visible {
    transform: none;
}

/* ── breakpoints ── */
@media (min-width: 720px) {
    .bb-form-row { grid-template-columns: 1fr 1fr; }
    .bb-footer__grid { grid-template-columns: 1.4fr 0.8fr 1fr; }
    .bb-values { grid-template-columns: 1fr 1fr; }
    .bb-process { grid-template-columns: 1fr 1fr; }
    .bb-portrait,
    .bb-about-grid,
    .bb-skills,
    .bb-contact { grid-template-columns: 0.9fr 1.1fr; }
    .bb-markets { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 980px) {
    .bb-skills { grid-template-columns: 0.8fr 1.2fr; }
    .bb-hero__mark { width: 200px; }
    .bb-hero__title,
    .bb-hero__lede,
    .bb-hero__actions {
        max-width: calc(100% - 14rem);
    }
}

@media (max-width: 879px) {
    body::before,
    body::after { display: none; }

    .bb-hero__mark { display: none; }
    .bb-hero__meta { display: none; }

    .bb-hero {
        min-height: calc(100svh - 3.4rem);
        min-height: calc(100dvh - 3.4rem);
        place-items: center stretch;
        padding: var(--bb-header-h) 0 4.6rem;
    }

    .bb-hero__inner {
        padding: 0.35rem 0 0;
    }

    .bb-hero::before {
        height: 4.5rem;
    }

    .bb-hero__ornament {
        -webkit-text-stroke: 1.25px color-mix(in srgb, var(--brass) 36%, transparent);
    }

    .bb-hero__p1 { left: -18vw; top: -2vh; }
    .bb-hero__p1 .bb-hero__ornament { font-size: min(82vw, 18rem); }

    .bb-hero__p2 { right: -16vw; bottom: -4vh; }
    .bb-hero__p2 .bb-hero__ornament { font-size: min(74vw, 16rem); }

    .bb-hero__p3 { left: -8vw; top: 44vh; }
    .bb-hero__p3 .bb-hero__ornament { font-size: min(32vw, 8rem); }

    .bb-hero__p5 { right: -8vw; top: 58vh; }
    .bb-hero__p5 .bb-hero__ornament { font-size: min(36vw, 9rem); }

    .bb-hero__p12 { left: 4vw; bottom: 18vh; }
    .bb-hero__p12 .bb-hero__ornament { font-size: min(26vw, 6.5rem); }

    .bb-hero__p4,
    .bb-hero__p6,
    .bb-hero__p7,
    .bb-hero__p8,
    .bb-hero__p9,
    .bb-hero__p10,
    .bb-hero__p11 { display: none; }

    .bb-page-hero {
        min-height: calc(100svh - 5.2rem);
        min-height: calc(100dvh - 5.2rem);
        display: grid;
        align-content: center;
        padding: calc(var(--bb-header-h) + 0.6rem) 0 4.2rem;
    }

    .bb-page-hero + .bb-section,
    .bb-page-hero + .bb-section--tight {
        padding-top: 1.5rem;
    }

    .bb-page-hero::before {
        font-size: min(70vw, 12rem);
        right: -18vw;
        opacity: 0.9;
    }

    .bb-reveal {
        transform: translateY(42px);
        filter: blur(7px);
        transition-duration: 0.95s, 1.1s, 0.95s;
    }

    .bb-portrait__mark.bb-reveal {
        transform: translateY(32px) scale(0.88);
    }

    [data-bb-stagger] > .bb-reveal:nth-child(odd) {
        transform: translate3d(-18px, 36px, 0);
    }

    [data-bb-stagger] > .bb-reveal:nth-child(even) {
        transform: translate3d(18px, 36px, 0);
    }

    .bb-work-list > .bb-reveal,
    .bb-study.bb-reveal {
        transform: translateY(44px) scale(0.95);
    }

    [data-bb-stagger] > .bb-reveal.is-visible,
    .bb-portrait__mark.bb-reveal.is-visible,
    .bb-work-list > .bb-reveal.is-visible,
    .bb-study.bb-reveal.is-visible {
        transform: none;
        filter: none;
    }

    .bb-not-found {
        min-height: 100svh;
        min-height: 100dvh;
    }
}

@media (max-width: 719px) {
    :root {
        --bb-gutter-l: max(0.8rem, env(safe-area-inset-left, 0px));
        --bb-gutter-r: max(0.8rem, env(safe-area-inset-right, 0px));
    }

    .bb-header__inner { gap: 0.55rem; }

    .bb-brand { flex: 1; }
    .bb-brand__name {
        font-size: 0.98rem;
        gap: 0.28em;
    }
    .bb-brand__place {
        font-size: 0.56rem;
        letter-spacing: 0.12em;
    }

    .bb-logo--nav { width: 2.25rem; height: 2.25rem; }

    .bb-theme { width: 2.5rem; height: 2.5rem; }

    .bb-menu-btn span { font-size: 0.82rem; }

    .bb-section { padding: 4.8rem 0; }
    .bb-section--tight { padding-top: 2.4rem; }

    .bb-page-hero + .bb-section,
    .bb-page-hero + .bb-section--tight {
        padding-top: 1.35rem;
    }
    .bb-page-title { font-size: clamp(2.1rem, 11vw, 3.4rem); max-width: none; }

    .bb-section__head {
        flex-direction: column;
        align-items: start;
        gap: 0.8rem;
        margin-bottom: 1.6rem;
    }

    .bb-hero__title { font-size: clamp(2.6rem, 13vw, 4.2rem); }
    .bb-hero__lede { font-size: 1.02rem; margin-bottom: 1.5rem; }
    .bb-hero__actions { margin-bottom: 0; }
    .bb-marquee__track { animation-duration: 40s; }

    .bb-panel nav a {
        font-size: clamp(1.8rem, 10vw, 2.6rem);
        padding: 0.45rem 0;
        min-height: 2.75rem;
        align-items: center;
    }
    .bb-panel__ornament { display: none; }
    .bb-panel__foot .bb-btn { min-height: 2.75rem; }

    .bb-work-card { grid-template-columns: 1fr; padding: 1.25rem; }
    .bb-work-card__go { display: none; }
    .bb-skills__grid { grid-template-columns: 1fr; }

    .bb-service {
        grid-template-columns: 2.6rem 1fr;
        gap: 0.7rem;
        padding: 1.25rem 0;
    }
    .bb-service h3 { font-size: 1.35rem; }

    .bb-intro .bb-display { font-size: clamp(1.7rem, 8vw, 2.4rem); }

    .bb-footer { padding: 3.2rem 0 max(1.6rem, env(safe-area-inset-bottom, 0px)); }
    .bb-footer__huge { font-size: clamp(2.2rem, 12vw, 3.6rem); margin-bottom: 2.2rem; }
    .bb-footer__fine { justify-content: center; text-align: center; }

    .bb-btn { min-height: 2.75rem; }
    .bb-hero__actions .bb-btn,
    .bb-study-body__actions .bb-btn,
    .bb-not-found__actions .bb-btn {
        flex: 0 0 auto;
        padding-left: 1.15rem;
        padding-right: 1.15rem;
    }

    .bb-contact-card,
    .bb-values article,
    .bb-skill,
    .bb-market,
    .bb-process__step { padding: 1.2rem; }

    .bb-footer a,
    .bb-contact-card a,
    .bb-panel__foot a { overflow-wrap: anywhere; }

    .bb-not-found { padding: calc(var(--bb-header-h) + 2rem) 0 3rem; }

    .bb-back-top {
        width: 2.75rem;
        height: 2.75rem;
    }
}

@media (hover: none) and (pointer: coarse) {
    .bb-hero__ornament { animation-duration: 14s; }

    .bb-logo__spark { animation-duration: 10s; }

    .bb-marquee:hover .bb-marquee__track { animation-play-state: running; }

    .bb-btn:active { transform: scale(0.97); }
    .bb-work-card:active,
    .bb-skill:active,
    .bb-market:active,
    .bb-values article:active,
    .bb-contact-card:active {
        transform: scale(0.985);
        border-color: color-mix(in srgb, var(--brass) 40%, var(--line));
    }

    .bb-service:active {
        padding-left: 0.4rem;
        background: linear-gradient(90deg, color-mix(in srgb, var(--brass) 10%, transparent), transparent 55%);
    }

    .bb-brand:active .bb-logo { transform: scale(0.94); }

    .bb-theme:active .bb-theme__icon {
        transform: rotate(-20deg);
    }

    .bb-marquee__track { animation-duration: 22s; }
}

html[data-theme="light"] .bb-hero {
    background-color: var(--bg);
    background-image:
        linear-gradient(color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cyan) 11%, transparent) 1px, transparent 1px);
    background-size: 3.2rem 3.2rem;
    background-position: center bottom;
}

html[data-theme="light"] .bb-hero > .bb-grid-laser {
    mix-blend-mode: multiply;
}

html[data-theme="light"] .bb-hero__ornament {
    -webkit-text-stroke: 1.45px color-mix(in srgb, var(--brass) 54%, transparent);
}

html[data-theme="light"] .bb-hero__p2 .bb-hero__ornament,
html[data-theme="light"] .bb-hero__p3 .bb-hero__ornament,
html[data-theme="light"] .bb-hero__p8 .bb-hero__ornament,
html[data-theme="light"] .bb-hero__p11 .bb-hero__ornament {
    -webkit-text-stroke-color: color-mix(in srgb, var(--cyan) 58%, transparent);
}

html[data-theme="light"] .bb-hero__line--accent {
    text-shadow: 0 0 22px color-mix(in srgb, var(--brass) 38%, transparent);
}

html[data-theme="light"] .bb-page-title {
    text-shadow: 0 0 24px color-mix(in srgb, var(--cyan) 16%, transparent);
}

html[data-theme="light"] .bb-page-hero::before {
    -webkit-text-stroke: 1px color-mix(in srgb, var(--cyan) 30%, transparent);
}

html[data-theme="light"] .bb-page-hero > .bb-grid-laser {
    mix-blend-mode: multiply;
}

html[data-theme="light"] .bb-logo__glow {
    opacity: 0.22;
}

html[data-theme="light"] .bb-logo__core {
    opacity: 0.7;
}

html[data-theme="light"] .bb-panel::before {
    opacity: 0.75;
}

html[data-theme="light"] .bb-footer {
    background:
        radial-gradient(900px 260px at 50% 0%, color-mix(in srgb, var(--cyan) 14%, transparent), transparent 70%),
        var(--void);
}

html[data-theme="light"] .bb-btn--ghost {
    background: color-mix(in srgb, white 70%, transparent);
}

html[data-theme="light"] .bb-header.is-scrolled,
html[data-theme="light"] .bb-header.is-open {
    background: color-mix(in srgb, var(--bg) 86%, white);
}

html[data-theme="light"] .bb-cursor {
    mix-blend-mode: multiply;
}

html[data-theme="light"] .bb-work-card,
html[data-theme="light"] .bb-skill,
html[data-theme="light"] .bb-market,
html[data-theme="light"] .bb-values article,
html[data-theme="light"] .bb-contact-card {
    box-shadow: 0 10px 28px color-mix(in srgb, var(--cyan) 8%, var(--shadow));
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    html.bb-nav-away .bb-header { transform: none; }
    .bb-page,
    .bb-reveal,
    .bb-hero__ornament,
    .bb-hero__kicker,
    .bb-hero__line,
    .bb-hero__lede,
    .bb-hero__actions,
    .bb-hero__meta,
    .bb-hero__mark,
    .bb-marquee__track,
    .bb-scroll-hint,
    .bb-scroll-hint__mouse,
    .bb-scroll-hint__mouse i,
    .bb-scroll-hint__chevron,
    .bb-boot__mark,
    .bb-market__dot,
    .bb-btn--primary::after,
    .bb-work-card::after,
    .bb-logo__glow,
    .bb-logo__ring,
    .bb-logo__spark,
    .bb-logo.is-disc,
    .bb-logo__glyph {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }

    .bb-logo__ring { stroke-dashoffset: 0; }
    .bb-scroll-hint { transform: translateX(-50%) !important; }
    .bb-page-hero::before { animation: none !important; }
    .bb-grid-laser { display: none !important; }
    .bb-hero::before { transform: none; }
    .bb-root::after { display: none; }
    .bb-btn--primary { animation: none !important; }
    body::before,
    body::after { display: none; }
}