/* ============================================================================
   THA — design system
   Layered after mobius.css (a light reset + utility framework). Everything
   here is namespaced .bf-* so the two never collide.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens -- */
:root {
    /* Surface */
    --ink: #0E100F;
    --ink-2: #141715;
    --graphite: #232824;
    --graphite-2: #2E342F;
    --paper: #F2EFE8;
    --paper-2: #E6E1D6;
    --stone: #A9A296;

    /* Accent */
    --verdigris: #6C8A76;
    --verdigris-d: #4E6A59;
    --clay: #B26845;

    /* Type on dark / light */
    --on-dark: rgba(242, 239, 232, .94);
    --on-dark-mid: rgba(242, 239, 232, .62);
    --on-dark-dim: rgba(242, 239, 232, .38);
    --on-light: rgba(14, 16, 15, .92);
    --on-light-mid: rgba(14, 16, 15, .62);
    --on-light-dim: rgba(14, 16, 15, .38);

    --line: rgba(242, 239, 232, .16);
    --line-strong: rgba(242, 239, 232, .28);
    --line-light: rgba(14, 16, 15, .14);

    /* Type */
    --display: "Cormorant Garamond", "Iowan Old Style", Georgia, ui-serif, serif;
    --sans: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --fs-hero: clamp(2.7rem, 7.4vw, 7.2rem);
    --fs-h1: clamp(2.1rem, 5vw, 4.4rem);
    --fs-h2: clamp(1.6rem, 3.2vw, 2.9rem);
    --fs-h3: clamp(1.2rem, 1.9vw, 1.7rem);
    --fs-lead: clamp(1.05rem, 1.5vw, 1.42rem);
    --fs-body: clamp(.98rem, 1.02vw, 1.09rem);
    --fs-small: .875rem;
    --fs-label: .7rem;

    /* Space */
    --gutter: clamp(20px, 5vw, 76px);
    --maxw: 1560px;
    --sec: clamp(72px, 11vw, 170px);
    --radius: 2px;

    /* Motion */
    --ease: cubic-bezier(.22, .61, .36, 1);
    --ease-out: cubic-bezier(.16, 1, .3, 1);
    --slow: 900ms;
    --med: 520ms;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    /* mobius.css defaults html/body to #fff and text-align:center — reset both
       so the framework's centring default does not leak into the layout. */
    background: var(--ink);
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--on-dark);
    font-family: var(--sans);
    font-size: var(--fs-body);
    font-weight: 300;
    line-height: 1.65;
    letter-spacing: .005em;
    text-align: left;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; border: 0; }

/* Reset rules Mobius CSS used to provide. Kept explicit so dropping that
   stylesheet does not change how links, images or the html box behave. */
a {
    color: inherit;
    text-decoration: none;
    line-height: inherit;
    position: static;
}

h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--verdigris); color: #fff; }

/* Keyboard focus — visible, on-brand, never on mouse clicks. */
:focus-visible {
    outline: 1px solid var(--verdigris);
    outline-offset: 3px;
}

.bf-sec--paper :focus-visible { outline-color: var(--verdigris-d); }

/* Keep anchored sections clear of the fixed header. */
[id] { scroll-margin-top: 110px; }

/* Skip link */
.bf-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 200;
    background: var(--paper);
    color: var(--ink);
    padding: 12px 20px;
    font-size: var(--fs-label);
    letter-spacing: .2em;
    text-transform: uppercase;
}

.bf-skip:focus { left: 12px; top: 12px; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--graphite-2); }
::-webkit-scrollbar-thumb:hover { background: var(--verdigris-d); }

/* --------------------------------------------------------------- layout -- */
.bf-wrap {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.bf-sec { padding-block: var(--sec); }
.bf-sec--tight { padding-block: clamp(48px, 7vw, 104px); }

.bf-sec--paper {
    background: var(--paper);
    color: var(--on-light);
}

.bf-sec--graphite { background: var(--ink-2); }

.bf-rule {
    height: 1px;
    background: var(--line);
    border: 0;
    margin: 0;
}

.bf-sec--paper .bf-rule { background: var(--line-light); }

/* ------------------------------------------------------------ typography -- */
.bf-label {
    font-family: var(--mono);
    font-size: var(--fs-label);
    font-weight: 400;
    letter-spacing: .13em;
    text-transform: uppercase;
    line-height: 1.45;
}

.bf-label--dim { color: var(--on-dark-dim); }

/* Technical metadata shares the monospace face — numbers, spec keys, dates and
   widget labels read as annotations on a drawing rather than as prose. */
.bf-card__meta,
.bf-card__index,
.bf-spec__k,
.bf-fact__k,
.bf-post__meta,
.bf-timeline__year,
.bf-award__year,
.bf-person__role,
.bf-stat__label,
.bf-principle__n,
.bf-field__label,
.bf-footer__bottom,
.bf-chip,
.bf-scrollcue .bf-label,
.bf-quote__by {
    font-family: var(--mono);
    letter-spacing: .1em;
}
.bf-sec--paper .bf-label { color: var(--on-light-mid); }

.bf-display {
    font-family: var(--display);
    font-weight: 300;
    font-size: var(--fs-hero);
    line-height: .98;
    letter-spacing: -.015em;
    text-wrap: balance;
}

.bf-h1 {
    font-family: var(--display);
    font-weight: 300;
    font-size: var(--fs-h1);
    line-height: 1.03;
    letter-spacing: -.012em;
    text-wrap: balance;
}

.bf-h2 {
    font-family: var(--display);
    font-weight: 300;
    font-size: var(--fs-h2);
    line-height: 1.08;
    letter-spacing: -.01em;
    text-wrap: balance;
}

.bf-h3 {
    font-family: var(--display);
    font-weight: 400;
    font-size: var(--fs-h3);
    line-height: 1.18;
}

.bf-lead {
    font-size: var(--fs-lead);
    font-weight: 300;
    line-height: 1.5;
    color: var(--on-dark-mid);
    max-width: 46ch;
}

.bf-sec--paper .bf-lead { color: var(--on-light-mid); }

.bf-prose { max-width: 62ch; }
.bf-prose p { margin-bottom: 1.35em; color: var(--on-dark-mid); }
.bf-prose p:last-child { margin-bottom: 0; }
.bf-prose p:first-child { color: var(--on-dark); }
.bf-sec--paper .bf-prose p { color: var(--on-light-mid); }
.bf-sec--paper .bf-prose p:first-child { color: var(--on-light); }

.bf-italic {
    font-family: var(--display);
    font-style: italic;
    font-weight: 300;
}

/* --------------------------------------------------------------- buttons -- */
.bf-btn {
    display: inline-flex;
    align-items: center;
    gap: .7em;
    padding: 1.05em 1.9em;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    font-size: var(--fs-label);
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--on-dark);
    background: transparent;
    transition: background var(--med) var(--ease), color var(--med) var(--ease),
                border-color var(--med) var(--ease);
}

.bf-btn:hover {
    background: var(--paper);
    border-color: var(--paper);
    color: var(--ink);
}

.bf-btn--solid {
    background: var(--paper);
    border-color: var(--paper);
    color: var(--ink);
}

.bf-btn--solid:hover {
    background: var(--verdigris);
    border-color: var(--verdigris);
    color: #fff;
}

.bf-sec--paper .bf-btn { border-color: var(--line-light); color: var(--on-light); }
.bf-sec--paper .bf-btn:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.bf-btn__arrow { transition: transform var(--med) var(--ease); }
.bf-btn:hover .bf-btn__arrow { transform: translateX(4px); }

/* Text link with an animated rule */
.bf-link {
    position: relative;
    display: inline-block;
    padding-bottom: 2px;
    font-size: var(--fs-label);
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.bf-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--med) var(--ease);
}

.bf-link:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------------------------------------------------------------- header -- */
.bf-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 60;
    padding-block: clamp(14px, 1.7vw, 24px);
    transition: background var(--med) var(--ease), backdrop-filter var(--med) var(--ease),
                border-color var(--med) var(--ease), padding var(--med) var(--ease);
    border-bottom: 1px solid transparent;
}

.bf-header.is-solid {
    background: rgba(14, 16, 15, .82);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    border-bottom-color: var(--line);
    padding-block: 12px;
}

.bf-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.bf-brand {
    display: inline-flex;
    align-items: baseline;
    gap: .55em;
    font-family: var(--display);
    font-size: clamp(1.05rem, 1.5vw, 1.32rem);
    font-weight: 400;
    letter-spacing: .02em;
    white-space: nowrap;
}

.bf-brand__mark { color: var(--verdigris); }

/* The header lockup is the THA wordmark. */
.bf-brand__logo {
    display: block;
    /* THA is a wide wordmark (620x196), so size it by height */
    height: clamp(20px, 2.1vw, 27px);
    width: auto;
    /* the mark ships black on transparent; the site is near-black */
    transition: opacity var(--med) var(--ease);
}

.bf-brand:hover .bf-brand__logo { opacity: .72; }

.bf-nav {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.6vw, 44px);
}

.bf-nav__link {
    position: relative;
    font-size: var(--fs-label);
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--on-dark-mid);
    transition: color var(--med) var(--ease);
}

.bf-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 1px;
    background: var(--verdigris);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--med) var(--ease);
}

.bf-nav__link:hover,
.bf-nav__link.is-active { color: var(--on-dark); }
.bf-nav__link:hover::after,
.bf-nav__link.is-active::after { transform: scaleX(1); }

.bf-burger {
    display: none;
    width: 40px;
    height: 40px;
    margin-right: -8px;
    position: relative;
}

.bf-burger span {
    position: absolute;
    left: 9px;
    width: 22px;
    height: 1px;
    background: var(--on-dark);
    transition: transform var(--med) var(--ease), opacity var(--med) var(--ease);
}

.bf-burger span:nth-child(1) { top: 16px; }
.bf-burger span:nth-child(2) { top: 23px; }

.bf-menu-open .bf-burger span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.bf-menu-open .bf-burger span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* Full-screen mobile menu */
.bf-drawer {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: var(--ink);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 var(--gutter);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--med) var(--ease), visibility var(--med);
}

.bf-drawer.is-open { opacity: 1; visibility: visible; }

.bf-drawer__link {
    font-family: var(--display);
    font-size: clamp(2.2rem, 12vw, 4rem);
    font-weight: 300;
    line-height: 1.25;
    color: var(--on-dark-mid);
    transition: color var(--med) var(--ease), transform var(--med) var(--ease);
    display: block;
}

.bf-drawer__link:hover { color: var(--on-dark); transform: translateX(10px); }

.bf-drawer__meta {
    margin-top: 48px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
}

/* ------------------------------------------------------------------ hero -- */
.bf-hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    isolation: isolate;
}

.bf-hero__media {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.bf-hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: bf-crossfade 32s infinite;
    transform: scale(1.06);
}

.bf-hero__slide:nth-child(1) { animation-delay: 0s; }
.bf-hero__slide:nth-child(2) { animation-delay: 8s; }
.bf-hero__slide:nth-child(3) { animation-delay: 16s; }
.bf-hero__slide:nth-child(4) { animation-delay: 24s; }

@keyframes bf-crossfade {
    0%   { opacity: 0; }
    4%   { opacity: 1; }
    25%  { opacity: 1; }
    31%  { opacity: 0; }
    100% { opacity: 0; }
}

.bf-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(180deg, rgba(14, 16, 15, .72) 0%, rgba(14, 16, 15, .18) 34%,
                        rgba(14, 16, 15, .58) 72%, rgba(14, 16, 15, .94) 100%);
}

.bf-hero__inner {
    width: 100%;
    padding-bottom: clamp(48px, 7vw, 96px);
    padding-top: 140px;
}

.bf-hero__eyebrow { color: var(--on-dark-mid); margin-bottom: clamp(20px, 2.5vw, 34px); }
.bf-hero__title { max-width: 22ch; }

.bf-hero__foot {
    margin-top: clamp(34px, 4.5vw, 64px);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
}

.bf-hero__rotate { min-height: 5.4em; max-width: 40ch; }

.bf-scrollcue {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--on-dark-dim);
}

.bf-scrollcue__line {
    width: 54px;
    height: 1px;
    background: var(--on-dark-dim);
    position: relative;
    overflow: hidden;
}

.bf-scrollcue__line::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--on-dark);
    transform: translateX(-100%);
    animation: bf-sweep 2.6s var(--ease) infinite;
}

@keyframes bf-sweep {
    0% { transform: translateX(-100%); }
    55% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* ---------------------------------------------------------------- section -- */
.bf-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 80px);
    align-items: end;
    margin-bottom: clamp(38px, 5vw, 72px);
}

.bf-head--stack { grid-template-columns: minmax(0, 1fr); }
.bf-head__aside { justify-self: end; text-align: right; }

.bf-eyebrow-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 20px;
}

.bf-eyebrow-row__num { color: var(--verdigris); }

/* ------------------------------------------------------------- work grid -- */
.bf-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(24px, 3.4vw, 64px) clamp(20px, 2.6vw, 48px);
}

.bf-card { display: block; grid-column: span 12; }

.bf-card--wide { grid-column: span 8; }
.bf-card--narrow { grid-column: span 4; }
.bf-card--half { grid-column: span 6; }
.bf-card--full { grid-column: span 12; }
.bf-card--offset { margin-top: clamp(0px, 6vw, 96px); }

.bf-card__media {
    position: relative;
    overflow: hidden;
    background: var(--graphite);
    aspect-ratio: 4 / 3;
}

.bf-card__media--tall { aspect-ratio: 3 / 4; }
.bf-card__media--wide { aspect-ratio: 16 / 9; }
.bf-card__media--square { aspect-ratio: 1 / 1; }

.bf-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.9) contrast(1.04) brightness(.96);
    transition: transform 1.1s var(--ease-out), filter var(--slow) var(--ease);
}

.bf-card:hover .bf-card__img {
    transform: scale(1.045);
    filter: saturate(1) contrast(1.02) brightness(1);
}

.bf-card__index {
    position: absolute;
    top: 14px;
    left: 16px;
    color: rgba(255, 255, 255, .72);
    mix-blend-mode: difference;
}

.bf-card__body {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    margin-top: 18px;
}

.bf-card__title {
    font-family: var(--display);
    font-size: clamp(1.15rem, 1.75vw, 1.7rem);
    font-weight: 400;
    line-height: 1.15;
    transition: color var(--med) var(--ease);
}

.bf-card:hover .bf-card__title { color: var(--verdigris); }

.bf-card__meta {
    font-size: var(--fs-label);
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--on-dark-dim);
    text-align: right;
    white-space: nowrap;
}

/* --------------------------------------------------------------- filters -- */
.bf-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: clamp(30px, 3.4vw, 52px);
}

.bf-chip {
    padding: .72em 1.25em;
    border: 1px solid var(--line);
    border-radius: 100px;
    font-size: var(--fs-label);
    font-weight: 500;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--on-dark-mid);
    transition: all var(--med) var(--ease);
}

.bf-chip:hover { border-color: var(--line-strong); color: var(--on-dark); }

.bf-chip.is-on {
    background: var(--paper);
    border-color: var(--paper);
    color: var(--ink);
}

.bf-chip__count { opacity: .5; margin-left: .5em; }

/* ------------------------------------------------------------ page intro -- */
.bf-pagehead {
    padding-top: clamp(132px, 16vw, 220px);
    padding-bottom: clamp(40px, 5vw, 84px);
}

.bf-pagehead__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 88px);
    align-items: end;
    padding-bottom: clamp(26px, 3.2vw, 46px);
    border-bottom: 1px solid var(--line);
}

.bf-pagehead__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 34px;
    justify-content: flex-end;
}

/* ------------------------------------------------------------ split block -- */
.bf-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 6vw, 110px);
    align-items: start;
}

.bf-split--media { align-items: center; }
.bf-split__media { overflow: hidden; }
.bf-split__media img { width: 100%; filter: saturate(.9) contrast(1.04); }

/* ---------------------------------------------------------------- stats -- */
.bf-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 48px);
}

.bf-stat { border-top: 1px solid var(--line-light); padding-top: 22px; }
.bf-stat__value {
    font-family: var(--display);
    font-size: clamp(2.2rem, 4.4vw, 4.2rem);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -.02em;
}
.bf-stat__label { margin-top: 12px; font-size: var(--fs-label); letter-spacing: .18em; text-transform: uppercase; color: var(--on-light-mid); }

/* ------------------------------------------------------------ principles -- */
.bf-principles { border-top: 1px solid var(--line); }

.bf-principle {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(18px, 3vw, 56px);
    padding-block: clamp(28px, 3.6vw, 54px);
    border-bottom: 1px solid var(--line);
    align-items: start;
    transition: background var(--med) var(--ease);
}

.bf-principle:hover { background: rgba(242, 239, 232, .025); }
.bf-principle__n { color: var(--verdigris); font-size: var(--fs-label); letter-spacing: .2em; padding-top: .5em; }
.bf-principle__body { color: var(--on-dark-mid); }

/* ------------------------------------------------------------ services -- */
.bf-services {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 2.6vw, 44px);
}

.bf-service { border-top: 1px solid var(--line); padding-top: 22px; }
.bf-service__n { color: var(--verdigris); }
.bf-service__title {
    font-family: var(--display);
    font-size: clamp(1.2rem, 1.75vw, 1.62rem);
    font-weight: 400;
    line-height: 1.15;
    margin-top: 16px;
}
.bf-service__body { color: var(--on-dark-mid); margin-top: 12px; }
.bf-service__list { margin-top: 16px; }
.bf-service__list li {
    color: var(--on-dark-dim);
    font-size: var(--fs-small);
    padding-block: 4px;
    border-top: 1px solid var(--line);
}

/* ------------------------------------------------------------------ team -- */
.bf-team {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 40px);
}

.bf-person { border-top: 1px solid var(--line); padding-top: 20px; }

.bf-person__mono {
    aspect-ratio: 1 / 1;
    display: grid;
    place-items: center;
    background: linear-gradient(150deg, var(--graphite) 0%, var(--ink-2) 100%);
    border: 1px solid var(--line);
    font-family: var(--display);
    font-size: clamp(1.6rem, 3vw, 2.6rem);
    font-weight: 300;
    color: var(--verdigris);
    letter-spacing: .04em;
    margin-bottom: 18px;
    transition: border-color var(--med) var(--ease), color var(--med) var(--ease);
}

.bf-person:hover .bf-person__mono { border-color: var(--verdigris); color: var(--paper); }

.bf-person__name { font-size: 1rem; font-weight: 400; }
.bf-person__role { font-size: var(--fs-label); letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-dim); margin-top: 6px; }

/* ---------------------------------------------------------------- awards -- */
.bf-award {
    display: grid;
    grid-template-columns: 100px minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 48px);
    padding-block: clamp(16px, 1.8vw, 24px);
    border-bottom: 1px solid var(--line-light);
    align-items: baseline;
}

.bf-award__year { font-size: var(--fs-label); letter-spacing: .18em; color: var(--on-light-dim); }
.bf-award__title { font-size: 1.02rem; }
.bf-award__body { color: var(--on-light-mid); font-size: var(--fs-small); }

/* --------------------------------------------------------------- journal -- */
.bf-post {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr) 130px;
    gap: clamp(18px, 3vw, 52px);
    padding-block: clamp(24px, 3vw, 40px);
    border-bottom: 1px solid var(--line);
    align-items: center;
    transition: background var(--med) var(--ease);
}

.bf-post:hover { background: rgba(242, 239, 232, .03); }

.bf-post__media { overflow: hidden; aspect-ratio: 16 / 10; background: var(--graphite); }
.bf-post__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.04);
    transition: transform 1.1s var(--ease-out); }
.bf-post:hover .bf-post__media img { transform: scale(1.05); }

.bf-post__title { font-family: var(--display); font-size: clamp(1.3rem, 2.3vw, 2.1rem); font-weight: 400; line-height: 1.12; }
.bf-post__excerpt { color: var(--on-dark-mid); margin-top: 12px; max-width: 68ch; }
.bf-post__meta { text-align: right; font-size: var(--fs-label); letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-dim); }
.bf-post__meta span { display: block; margin-bottom: 8px; }

/* ------------------------------------------------------- project detail -- */
.bf-project-hero {
    position: relative;
    min-height: 78svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    isolation: isolate;
}

.bf-project-hero__img {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.9) contrast(1.05);
    transform: scale(1.12);
    will-change: transform;
}

.bf-project-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(14, 16, 15, .74) 0%, rgba(14, 16, 15, .1) 40%,
                rgba(14, 16, 15, .88) 100%);
}

.bf-project-hero__inner { width: 100%; padding-bottom: clamp(40px, 5vw, 78px); padding-top: 150px; }

.bf-spec {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 44px);
    padding-block: clamp(30px, 3.6vw, 56px);
    border-bottom: 1px solid var(--line);
}

.bf-spec__k { font-size: var(--fs-label); letter-spacing: .18em; text-transform: uppercase; color: var(--on-dark-dim); margin-bottom: 10px; }
.bf-spec__v { font-size: 1rem; }

.bf-facts { border-top: 1px solid var(--line); }
.bf-fact {
    display: grid;
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr);
    gap: 18px;
    padding-block: 18px;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
}
.bf-fact__k { font-size: var(--fs-label); letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-dim); }
.bf-fact__v { color: var(--on-dark); }

.bf-gallery { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 40px); }
.bf-gallery figure { grid-column: span 12; overflow: hidden; }
.bf-gallery figure.span-6 { grid-column: span 6; }
.bf-gallery figure.span-7 { grid-column: span 7; }
.bf-gallery figure.span-5 { grid-column: span 5; }
.bf-gallery img { width: 100%; filter: saturate(.9) contrast(1.04); }
.bf-gallery figcaption { margin-top: 12px; font-size: var(--fs-label); letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-dim); }

/* Next project */
.bf-next {
    position: relative;
    display: block;
    overflow: hidden;
    isolation: isolate;
    padding-block: clamp(64px, 9vw, 140px);
    text-align: center;
}

.bf-next__bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-size: cover;
    background-position: center;
    filter: grayscale(.3) brightness(.42) saturate(.8);
    transform: scale(1.02);
    transition: transform 1.4s var(--ease-out), filter var(--slow) var(--ease);
}

.bf-next:hover .bf-next__bg { transform: scale(1.07); filter: grayscale(0) brightness(.52) saturate(.95); }

.bf-next__title { transition: color var(--med) var(--ease); }
.bf-next:hover .bf-next__title { color: var(--verdigris); }

/* ---------------------------------------------------------------- contact -- */
.bf-field { margin-bottom: 26px; }

.bf-field__label {
    display: block;
    font-size: var(--fs-label);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--on-dark-dim);
    margin-bottom: 10px;
}

.bf-input,
.bf-textarea,
.bf-select {
    width: 100%;
    padding: 14px 2px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    outline: none;
    transition: border-color var(--med) var(--ease);
}

.bf-input:focus,
.bf-textarea:focus,
.bf-select:focus { border-bottom-color: var(--verdigris); }

.bf-textarea { min-height: 130px; resize: vertical; }

.bf-select { appearance: none; cursor: pointer; }
.bf-select option { background: var(--ink-2); color: var(--on-dark); }

.bf-notice {
    border: 1px solid var(--verdigris);
    padding: 18px 22px;
    color: var(--on-dark);
    margin-bottom: 26px;
    display: flex;
    gap: 14px;
    align-items: baseline;
}

.bf-studio-card { border-top: 1px solid var(--line); padding-top: 20px; margin-bottom: 38px; }
.bf-studio-card__city { font-family: var(--display); font-size: 1.6rem; font-weight: 400; }
.bf-studio-card__addr { color: var(--on-dark-mid); white-space: pre-line; margin-top: 10px; }
.bf-studio-card__phone { margin-top: 10px; color: var(--on-dark-dim); font-size: var(--fs-small); }

/* ---------------------------------------------------------------- footer -- */
.bf-footer {
    border-top: 1px solid var(--line);
    padding-top: clamp(52px, 7vw, 104px);
    padding-bottom: 34px;
    background: var(--ink);
}

.bf-footer__top {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 72px);
    padding-bottom: clamp(44px, 6vw, 88px);
}

.bf-footer__word {
    font-family: var(--display);
    font-size: clamp(3rem, 9vw, 8rem);
    font-weight: 300;
    line-height: .9;
    letter-spacing: -.02em;
    color: var(--on-dark);
}

.bf-footer__logo {
    display: block;
    width: clamp(105px, 13vw, 190px);
    height: auto;
}

.bf-footer__col .bf-label { margin-bottom: 18px; }
.bf-footer__col a,
.bf-footer__col span { display: block; color: var(--on-dark-mid); padding-block: 5px; transition: color var(--med) var(--ease); }
.bf-footer__col a:hover { color: var(--verdigris); }

.bf-footer__bottom {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 26px;
    border-top: 1px solid var(--line);
    color: var(--on-dark-dim);
    font-size: var(--fs-label);
    letter-spacing: .14em;
    text-transform: uppercase;
}

/* ---------------------------------------------------------------- reveal -- */
/* The hidden state applies only once the app has booted — `.bf-ready` is set by
   Reactor.init before the first render. If the runtime never loads, content
   renders normally instead of being trapped at opacity:0. */
.bf-ready [data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
    will-change: opacity, transform;
}

.bf-ready [data-reveal].is-in { opacity: 1; transform: none; }

.bf-ready [data-reveal][data-delay="1"] { transition-delay: 90ms; }
.bf-ready [data-reveal][data-delay="2"] { transition-delay: 180ms; }
.bf-ready [data-reveal][data-delay="3"] { transition-delay: 270ms; }
.bf-ready [data-reveal][data-delay="4"] { transition-delay: 360ms; }

[app] { animation: bf-app-in 700ms var(--ease-out) both; }

@keyframes bf-app-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ------------------------------------------------------------- utilities -- */
.bf-mt-s { margin-top: 18px; }
.bf-mt-m { margin-top: clamp(26px, 3vw, 46px); }
.bf-mt-l { margin-top: clamp(42px, 5vw, 78px); }
.bf-center { text-align: center; }
.bf-maxw-60 { max-width: 60ch; }
.bf-sr {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* -------------------------------------------------- light-section variants -- */
.bf-sec--paper .bf-principles { border-top-color: var(--line-light); }
.bf-sec--paper .bf-principle { border-bottom-color: var(--line-light); }
.bf-sec--paper .bf-principle:hover { background: rgba(14, 16, 15, .022); }
.bf-sec--paper .bf-principle__body { color: var(--on-light-mid); }

.bf-sec--paper .bf-post { border-bottom-color: var(--line-light); }
.bf-sec--paper .bf-post:hover { background: rgba(14, 16, 15, .022); }
.bf-sec--paper .bf-post__excerpt { color: var(--on-light-mid); }
.bf-sec--paper .bf-post__meta { color: var(--on-light-dim); }
.bf-sec--paper .bf-post__media { background: var(--paper-2); }

.bf-sec--paper .bf-card__body { border-top-color: var(--line-light); }
.bf-sec--paper .bf-card__meta { color: var(--on-light-dim); }
.bf-sec--paper .bf-card__media { background: var(--paper-2); }
.bf-sec--paper .bf-person { border-top-color: var(--line-light); }
.bf-sec--paper .bf-person__mono {
    background: linear-gradient(150deg, var(--paper-2) 0%, #DCD6C9 100%);
    border-color: var(--line-light);
    color: var(--verdigris-d);
}
.bf-sec--paper .bf-person:hover .bf-person__mono { border-color: var(--verdigris-d); color: var(--ink); }
.bf-sec--paper .bf-person__role { color: var(--on-light-dim); }
.bf-sec--paper .bf-facts,
.bf-sec--paper .bf-fact { border-color: var(--line-light); }
.bf-sec--paper .bf-fact__k { color: var(--on-light-dim); }
.bf-sec--paper .bf-fact__v { color: var(--on-light); }

/* -------------------------------------------------------------------- CTA -- */
.bf-cta {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background-size: cover;
    background-position: center;
    padding-block: clamp(90px, 13vw, 200px);
    text-align: center;
}

.bf-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(14, 16, 15, .82) 0%, rgba(14, 16, 15, .68) 50%,
                rgba(14, 16, 15, .9) 100%);
}

.bf-cta__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: clamp(28px, 3.4vw, 46px);
}

/* ------------------------------------------------------------ facts block -- */
.bf-quote {
    font-family: var(--display);
    font-size: clamp(1.5rem, 3.2vw, 2.7rem);
    font-weight: 300;
    line-height: 1.22;
    letter-spacing: -.01em;
    max-width: 30ch;
}

.bf-quote__by {
    margin-top: 26px;
    font-size: var(--fs-label);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--on-dark-dim);
}

.bf-sec--paper .bf-quote__by { color: var(--on-light-dim); }

/* Timeline for the studio page */
.bf-timeline { border-top: 1px solid var(--line-light); }
.bf-timeline__row {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 48px);
    padding-block: clamp(16px, 2vw, 26px);
    border-bottom: 1px solid var(--line-light);
    align-items: baseline;
}
.bf-timeline__year { font-size: var(--fs-label); letter-spacing: .18em; color: var(--on-light-dim); }
.bf-timeline__what { color: var(--on-light-mid); }
.bf-timeline__what strong { color: var(--on-light); font-weight: 500; }

/* ------------------------------------------------------------- motion ---- */
/* Scroll progress rail */
.bf-progress {
    position: fixed;
    inset: 0 0 auto 0;
    height: 2px;
    z-index: 80;
    pointer-events: none;
    background: linear-gradient(90deg, var(--verdigris), var(--paper));
    transform: scaleX(0);
    transform-origin: 0 50%;
    will-change: transform;
}

/* Parallax. Elements are deliberately over-sized so translation never exposes
   an edge of the frame they sit in. */
[data-parallax] { will-change: transform; }

.bf-card__media[data-parallax-frame] { overflow: hidden; }
.bf-card__media[data-parallax-frame] .bf-card__img {
    height: 120%;
    margin-top: -10%;
}

.bf-gallery figure[data-parallax-frame] { overflow: hidden; }
.bf-gallery figure[data-parallax-frame] img {
    height: 118%;
    margin-top: -9%;
}

.bf-split__media[data-parallax-frame] { overflow: hidden; }
.bf-split__media[data-parallax-frame] img {
    height: 118%;
    margin-top: -9%;
}

/* The main view re-mounts on every navigation, so this doubles as a page
   transition between routes. */
[body] > * { animation: bf-view-in 620ms var(--ease-out) both; }

@keyframes bf-view-in {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
}

/* Cursor affordance over work cards — desktop pointers only. */
.bf-cursor {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 70;
    pointer-events: none;
    padding: .78em 1.15em;
    border-radius: 100px;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--mono);
    font-size: .6rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    transform: translate(-50%, -50%) scale(.78);
    transition: opacity 300ms var(--ease), transform 300ms var(--ease);
}

.bf-cursor.is-on { opacity: 1; transform: translate(-50%, -50%) scale(1); }

@media (hover: none), (pointer: coarse) {
    .bf-cursor { display: none; }
}

/* Project pager — where you are in the index, and how to keep moving. */
.bf-pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(16px, 4vw, 60px);
    padding-block: clamp(26px, 3.4vw, 48px);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.bf-pager__side {
    display: flex;
    flex-direction: column;
    gap: 9px;
    /* must be able to shrink, or a long project title overflows the row */
    flex: 1 1 0;
    min-width: 0;
}
.bf-pager__side--next { align-items: flex-end; text-align: right; }
.bf-pager__middle { flex: 0 0 auto; }

.bf-pager__title {
    /* block, so a long title wraps inside the column instead of sizing to
       max-content and spilling past the edge */
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-wrap: anywhere;
    font-family: var(--display);
    font-size: clamp(1.15rem, 1.9vw, 1.75rem);
    font-weight: 400;
    line-height: 1.15;
    transition: color var(--med) var(--ease);
}

.bf-pager__side:hover .bf-pager__title { color: var(--verdigris); }
.bf-pager__count { color: var(--on-dark-dim); font-family: var(--mono); letter-spacing: .1em; }

.bf-pager__mid {
    font-family: var(--mono);
    letter-spacing: .1em;
    color: var(--on-dark-dim);
    white-space: nowrap;
}

@media (max-width: 620px) {
    .bf-pager { flex-direction: column; align-items: flex-start; }
    .bf-pager__side--next { align-items: flex-start; text-align: left; }
}

/* ======================================================== motion system === */
/* Preloader — the logotype on the ink ground while the first frame settles. */
.bf-preloader {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    background: var(--ink);
    transition: opacity 720ms var(--ease), visibility 720ms;
}

.bf-preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

.bf-preloader__inner { width: min(260px, 56vw); }
.bf-preloader__logo { width: 100%; height: auto; opacity: .92; }
.bf-preloader__bar { height: 1px; background: var(--line); margin-top: 30px; overflow: hidden; }

.bf-preloader__fill {
    height: 100%;
    background: var(--paper);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform 480ms var(--ease-out);
}

/* Line-mask headline reveals — type rises out of its own baseline. */
.bf-ready [data-lines] .bf-line { display: block; overflow: hidden; }
.bf-ready [data-lines] .bf-line > span {
    display: block;
    transform: translateY(115%);
    transition: transform 1150ms var(--ease-out);
    transition-delay: calc(var(--i, 0) * 95ms);
}
.bf-ready [data-lines].is-in .bf-line > span { transform: none; }

/* Image reveals — the frame opens from the bottom while the image settles. */
[data-reveal-img] { overflow: hidden; }
.bf-ready [data-reveal-img] { clip-path: inset(0 0 100% 0); transition: clip-path 1250ms var(--ease-out); }
.bf-ready [data-reveal-img].is-in { clip-path: inset(0 0 0 0); }
.bf-ready [data-reveal-img] img { transform: scale(1.14); transition: transform 1500ms var(--ease-out); }
.bf-ready [data-reveal-img].is-in img { transform: none; }

/* Images fade in once decoded, so nothing pops mid-transition. */
.bf-ready img[data-fade] { opacity: 0; }
img[data-fade] { transition: opacity 700ms var(--ease); }
img[data-fade].is-loaded { opacity: 1; }

/* Horizontal project index — a real, scrollable index of the whole portfolio,
   replacing an earlier auto-scrolling marquee that was unreadable (496 px/s),
   inert (nothing clickable) and hidden from screen readers. */
.bf-strip { padding-block: clamp(46px, 6vw, 92px); background: var(--ink-2); }
.bf-strip__head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: clamp(22px, 2.6vw, 38px); }

.bf-strip__scroller {
    display: flex;
    gap: clamp(12px, 1.4vw, 22px);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    padding: 0 var(--gutter) clamp(16px, 2vw, 26px);
    /* Without this the snapport is the scrollport, so `snap-align: start`
       drags the first card to x=0 — off the page grid and under the section
       rail, despite the container's own padding. */
    scroll-padding-left: var(--gutter);
    cursor: grab;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.bf-strip__scroller::-webkit-scrollbar { display: none; }
.bf-strip__scroller.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.bf-strip__scroller.is-dragging .bf-strip__item { pointer-events: none; }

.bf-strip__item {
    flex: 0 0 clamp(168px, 19vw, 248px);
    scroll-snap-align: start;
    display: block;
}

.bf-strip__thumb {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--graphite);
    margin-bottom: 14px;
}

.bf-strip__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.85) contrast(1.03) brightness(.9);
    transition: transform 1100ms var(--ease-out), filter 700ms var(--ease);
}

.bf-strip__item:hover .bf-strip__thumb img { transform: scale(1.07); filter: none; }

.bf-strip__no { color: var(--verdigris); display: block; margin-bottom: 10px; }
.bf-strip__title {
    display: block;
    font-family: var(--display);
    font-size: clamp(1.02rem, 1.35vw, 1.3rem);
    font-weight: 400;
    line-height: 1.16;
    transition: color var(--med) var(--ease);
}
.bf-strip__item:hover .bf-strip__title { color: var(--verdigris); }
.bf-strip__loc { display: block; margin-top: 7px; color: var(--on-dark-dim); }

.bf-strip__item:focus-visible { outline: 1px solid var(--verdigris); outline-offset: 4px; }

@media (max-width: 620px) {
    .bf-strip__item { flex: 0 0 74vw; }
}

/* Pinned featured work — the home page's signature scroll moment. */
.bf-feature { position: relative; background: var(--ink); min-height: 100svh; }
.bf-feature__sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; }

.bf-feature__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 900ms var(--ease);
}
.bf-feature__slide.is-active { opacity: 1; }

.bf-feature__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.9) contrast(1.05) brightness(.72);
}
.bf-feature__slide.is-active .bf-feature__img { animation: bf-slow-zoom 8s var(--ease-out) both; }
@keyframes bf-slow-zoom { from { transform: scale(1.06); } to { transform: scale(1); } }

.bf-feature__scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(14,16,15,.72) 0%, rgba(14,16,15,.12) 38%, rgba(14,16,15,.88) 100%);
}

.bf-feature__inner {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: clamp(40px, 5vw, 76px);
}

.bf-feature__caption {
    position: absolute;
    inset: auto 0 0 0;
    padding-bottom: clamp(112px, 12vw, 168px);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 800ms var(--ease), transform 800ms var(--ease-out);
    z-index: 2;
}

.bf-feature__caption.is-active { opacity: 1; transform: none; }

.bf-feature__bar {
    position: absolute;
    inset: auto 0 0 0;
    padding-bottom: clamp(34px, 4vw, 56px);
    z-index: 3;
    border-top: 1px solid var(--line);
    padding-top: clamp(18px, 2vw, 26px);
    background: linear-gradient(180deg, rgba(14,16,15,0) 0%, rgba(14,16,15,.55) 100%);
}

.bf-feature__title {
    font-family: var(--display);
    font-size: clamp(2rem, 5.6vw, 5rem);
    font-weight: 300;
    line-height: 1.02;
    letter-spacing: -.015em;
}

/* Vertical progress rail for the pinned section */
.bf-feature__rail {
    position: absolute;
    right: var(--gutter);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 2;
}

.bf-feature__dot {
    width: 26px;
    height: 2px;
    background: rgba(242, 239, 232, .3);
    transition: background 500ms var(--ease), width 500ms var(--ease);
}
.bf-feature__dot.is-on { background: var(--paper); width: 42px; }

@media (max-width: 900px) {
    .bf-feature__rail { display: none; }
}

/* Section rail — the current page's chapters. Rendered inside the page view,
   not the persistent widget, so it cannot outlive the page it describes.
   Kept narrow enough to sit inside the content gutter without colliding. */
.bf-rail {
    position: fixed;
    left: clamp(12px, 1.1vw, 20px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 13px;
    pointer-events: none;
}

.bf-rail:empty { display: none; }

.bf-rail__item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--mono);
    font-size: .58rem;
    letter-spacing: .1em;
    color: var(--on-dark-dim);
    opacity: .4;
    transition: opacity 500ms var(--ease), color 500ms var(--ease);
}

.bf-rail__item.is-on { opacity: 1; color: var(--on-dark); }
.bf-rail__line { width: 13px; height: 1px; background: currentColor; transition: width 500ms var(--ease); }
.bf-rail__item.is-on .bf-rail__line { width: 22px; }

/* Below this width the gutter is too narrow to keep the rail off the content */
@media (max-width: 1280px) { .bf-rail { display: none; } }

/* Route change: sections lift in sequence */
[body] > * { animation: bf-view-in 700ms var(--ease-out) both; }

/* ------------------------------------------------------------ responsive -- */
@media (max-width: 1180px) {
    .bf-team { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .bf-footer__top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .bf-footer__top > :first-child { grid-column: span 2; }
}

@media (max-width: 980px) {
    .bf-services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bf-nav { display: none; }
    .bf-burger { display: block; }

    .bf-head { grid-template-columns: minmax(0, 1fr); align-items: start; }
    .bf-head__aside { justify-self: start; text-align: left; }

    .bf-card--wide,
    .bf-card--narrow,
    .bf-card--half { grid-column: span 12; }
    .bf-card--offset { margin-top: 0; }

    .bf-pagehead__inner { grid-template-columns: minmax(0, 1fr); align-items: start; }
    .bf-pagehead__meta { justify-content: flex-start; }

    .bf-split { grid-template-columns: minmax(0, 1fr); }

    .bf-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bf-spec { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bf-team { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .bf-principle { grid-template-columns: 60px minmax(0, 1fr); }
    .bf-principle__body { grid-column: 2; }

    .bf-award { grid-template-columns: 74px minmax(0, 1fr); }
    .bf-award__body { grid-column: 2; }

    .bf-post { grid-template-columns: 150px minmax(0, 1fr); align-items: start; }
    .bf-post__meta { grid-column: 2; text-align: left; margin-top: 12px; }

    .bf-gallery figure.span-6,
    .bf-gallery figure.span-7,
    .bf-gallery figure.span-5 { grid-column: span 12; }
}

@media (max-width: 620px) {
    .bf-services { grid-template-columns: minmax(0, 1fr); }
    .bf-stats { grid-template-columns: minmax(0, 1fr); }
    .bf-team { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bf-spec { grid-template-columns: minmax(0, 1fr); }
    .bf-post { grid-template-columns: minmax(0, 1fr); }
    .bf-post__media { aspect-ratio: 16 / 9; }
    .bf-post__meta { grid-column: 1; }
    .bf-fact { grid-template-columns: minmax(0, 1fr); gap: 6px; }
    .bf-footer__top { grid-template-columns: minmax(0, 1fr); }
    .bf-footer__top > :first-child { grid-column: span 1; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    [data-reveal] { opacity: 1 !important; transform: none !important; }

    /* The hero crossfade ends on opacity:0, so collapsing its duration would
       otherwise leave every slide invisible. Pin the first frame instead. */
    .bf-hero__slide { animation: none !important; opacity: 0 !important; }
    .bf-hero__slide:first-child { opacity: 1 !important; }
}