/* =====================================================================
   PETRAFORMED° — VERSION 2 · "THE ATELIER"
   A dim gallery / a film. Dark, cinematic, atmospheric.
   Display: Fraunces (opsz high, italic)  ·  Technical: Space Grotesk
   ===================================================================== */

/* -------------------------------------------------- tokens */
:root {
  /* material grounds */
  --ground:      #14110E;   /* near-black walnut */
  --ground-2:    #1B1712;   /* raised walnut */
  --ground-3:    #221C15;   /* card / field */
  --ground-line: #2C2419;

  /* warm text */
  --ink:    #EDE6D8;   /* primary warm text */
  --muted:  #C9BEA9;   /* secondary */
  --faint:  #8B8072;   /* tertiary / hairline text */

  /* accents */
  --brass:      #A08A4B;
  --brass-lift: #C4A85F;   /* brighter brass for small text on dark */
  --oxblood:    #6E2B2B;

  /* hairlines */
  --line:        rgba(237, 230, 216, 0.13);
  --line-strong: rgba(237, 230, 216, 0.26);

  /* type families */
  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-sans:    "Space Grotesk", "Helvetica Neue", Arial, sans-serif;

  /* layout */
  --max:    1480px;
  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --sy:     clamp(5.5rem, 12vw, 11rem);   /* section vertical rhythm */
  --header-h: clamp(64px, 8vw, 84px);

  /* fluid type scale */
  --fs-hero:  clamp(2.6rem, min(8.2vw, 9.4vh), 7.6rem);  /* vh term keeps the hero within short viewports */
  --fs-h2:    clamp(2.3rem, 5.6vw, 5.1rem);
  --fs-h3:    clamp(1.5rem, 2.6vw, 2.35rem);
  --fs-lead:  clamp(1.18rem, 1.05rem + 0.7vw, 1.6rem);
  --fs-body:  clamp(1rem, 0.96rem + 0.22vw, 1.14rem);
  --fs-label: 0.72rem;
  --fs-spec:  0.68rem;

  --ease: cubic-bezier(0.22, 0.61, 0.28, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

html, body { overflow-x: hidden; }

body {
  background: var(--ground);
  color: var(--muted);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.72;
  letter-spacing: 0.008em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100vh;
}

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

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

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

::selection { background: var(--brass); color: var(--ground); }

/* -------------------------------------------------- focus */
:focus-visible {
  outline: 1px solid var(--brass-lift);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 400;
  background: var(--brass);
  color: var(--ground);
  padding: 0.75rem 1.25rem;
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform 0.3s var(--ease);
}
.skip-link:focus-visible { transform: translate(-50%, 0); outline-offset: -3px; }

/* -------------------------------------------------- grain overlay */
.grain {
  position: fixed;
  top: -40%; left: -40%;
  width: 180%; height: 180%;
  pointer-events: none;
  z-index: 60;
  opacity: 0.05;
  mix-blend-mode: overlay;
  animation: grainShift 0.5s steps(4) infinite;
}
.grain rect { fill: transparent; }

@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-3%, 2%); }
  50%  { transform: translate(2%, -2%); }
  75%  { transform: translate(-2%, -1%); }
  100% { transform: translate(1%, 2%); }
}

/* =====================================================================
   SHARED PRIMITIVES
   ===================================================================== */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--sy); position: relative; }
.section[id] { scroll-margin-top: var(--header-h); }

.display {
  font-family: var(--f-display);
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  font-weight: 400;
  font-size: var(--fs-h2);
  line-height: 1.02;
  letter-spacing: -0.014em;
  color: var(--ink);
  max-width: 18ch;
  text-wrap: balance;
}
.display em {
  font-style: italic;
  font-weight: 400;
  color: var(--muted);
}

.spec-label {
  display: inline-block;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}

/* chapter header block */
.chead {
  display: flex;
  align-items: baseline;
  gap: clamp(0.85rem, 2vw, 1.6rem);
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.chead__num {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--brass-lift);
  letter-spacing: 0.02em;
  min-width: 1.6em;
}
.chead__label {
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 400;
}
.chead__ref {
  margin-left: auto;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.chead--light .chead__label { color: var(--ink); }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.05em 1.9em;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  transition: color 0.5s var(--ease), background-color 0.5s var(--ease),
              border-color 0.5s var(--ease);
  white-space: nowrap;
}
.btn--brass { border-color: var(--brass); color: var(--brass-lift); }
.btn--brass:hover, .btn--brass:focus-visible { background: var(--brass); color: var(--ground); border-color: var(--brass); }
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--brass); color: var(--brass-lift); }

/* =====================================================================
   HEADER / NAV
   ===================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color 0.6s var(--ease), backdrop-filter 0.6s var(--ease),
              border-color 0.6s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: color-mix(in srgb, var(--ground) 78%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.site-header__inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark { display: inline-flex; align-items: center; }
.wordmark img {
  height: clamp(15px, 1.7vw, 20px);
  width: auto;
  opacity: 0.95;
  transition: opacity 0.4s var(--ease);
}
.wordmark:hover img { opacity: 1; }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.2rem); }
.site-nav__enquire {
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  padding-bottom: 3px;
  transition: color 0.4s var(--ease);
}
.site-nav__enquire::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.site-nav__enquire:hover { color: var(--ink); }
.site-nav__enquire:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.menu-toggle__mark {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 26px;
}
.menu-toggle__mark i {
  display: block; height: 1px; width: 100%;
  background: var(--muted);
  transition: transform 0.4s var(--ease), background-color 0.4s var(--ease);
}
.menu-toggle:hover .menu-toggle__mark i { background: var(--brass-lift); }
.menu-toggle:hover .menu-toggle__mark i:first-child { transform: translateX(4px); }

/* =====================================================================
   OVERLAY MENU
   ===================================================================== */
.overlay-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--ground) 96%, #000);
  display: flex;
  flex-direction: column;
  padding: clamp(1.2rem, 4vw, 2.6rem) var(--gutter) clamp(2rem, 5vw, 3.5rem);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
.overlay-menu[hidden] { display: flex; }        /* keep transitions; JS drives .is-open */
.overlay-menu.is-open { opacity: 1; visibility: visible; }

.overlay-menu__bar {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
  border-bottom: 1px solid var(--line);
}
.overlay-menu__eyebrow {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}
.overlay-menu__close {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.overlay-menu__close-mark {
  position: relative; width: 18px; height: 18px; display: inline-block;
}
.overlay-menu__close-mark::before,
.overlay-menu__close-mark::after {
  content: ""; position: absolute; top: 50%; left: 0;
  width: 100%; height: 1px; background: var(--muted);
  transition: background-color 0.4s var(--ease);
}
.overlay-menu__close-mark::before { transform: rotate(45deg); }
.overlay-menu__close-mark::after  { transform: rotate(-45deg); }
.overlay-menu__close:hover .overlay-menu__close-mark::before,
.overlay-menu__close:hover .overlay-menu__close-mark::after { background: var(--brass-lift); }

.overlay-menu__nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.overlay-menu__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.1rem, 1vw, 0.5rem);
}
.overlay-menu__list a {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(0.2rem, 0.9vw, 0.55rem);
  color: var(--muted);
  transition: color 0.5s var(--ease), padding-left 0.5s var(--ease);
}
.overlay-menu__list a:hover,
.overlay-menu__list a:focus-visible { color: var(--ink); padding-left: 0.6rem; }
.overlay-menu__idx {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  color: var(--brass);
  min-width: 2.4em;
}
.overlay-menu__name {
  font-family: var(--f-display);
  font-size: clamp(1.6rem, 4.8vw, 3.4rem);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 24;
  line-height: 1.04;
  letter-spacing: -0.01em;
}
.overlay-menu__list a:hover .overlay-menu__name { font-style: italic; }

.overlay-menu__foot {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
}
.overlay-menu__foot > div { display: flex; flex-direction: column; gap: 0.35rem; }
.overlay-menu__foot .spec-label { margin-bottom: 0.3rem; }
.overlay-menu__foot a { color: var(--muted); transition: color 0.4s var(--ease); }
.overlay-menu__foot a:hover { color: var(--brass-lift); }

/* stagger the menu links in */
.overlay-menu .overlay-menu__list li,
.overlay-menu .overlay-menu__foot {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.overlay-menu.is-open .overlay-menu__list li,
.overlay-menu.is-open .overlay-menu__foot {
  opacity: 1;
  transform: none;
}
.overlay-menu.is-open .overlay-menu__list li:nth-child(1) { transition-delay: 0.10s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(2) { transition-delay: 0.16s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(3) { transition-delay: 0.22s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(4) { transition-delay: 0.28s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(5) { transition-delay: 0.34s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(6) { transition-delay: 0.40s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(7) { transition-delay: 0.46s; }
.overlay-menu.is-open .overlay-menu__list li:nth-child(8) { transition-delay: 0.52s; }
.overlay-menu.is-open .overlay-menu__foot { transition-delay: 0.58s; }

body.menu-open { overflow: hidden; }

/* =====================================================================
   VERTICAL SECTION RAIL
   ===================================================================== */
.rail {
  position: fixed;
  top: 50%;
  right: clamp(1rem, 2vw, 2rem);
  transform: translateY(-50%);
  z-index: 80;
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}
.rail.is-ready { opacity: 1; }
.rail__list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 1.05rem; }
.rail__list a {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 0.75rem;
}
.rail__tick {
  display: block;
  width: 18px; height: 1px;
  background: var(--faint);
  transition: width 0.45s var(--ease), background-color 0.45s var(--ease);
}
.rail__label {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  white-space: nowrap;
}
.rail__list a:hover .rail__tick { width: 34px; background: var(--brass-lift); }
.rail__list a:hover .rail__label { opacity: 1; transform: none; }
.rail__list a.is-current .rail__tick { width: 40px; background: var(--brass); }
.rail__list a.is-current .rail__label { opacity: 1; transform: none; color: var(--ink); }

/* =====================================================================
   HERO
   ===================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: var(--header-h) var(--gutter) clamp(2.25rem, 4.5vw, 4.5rem);
}
.hero__media {
  position: absolute;
  inset: -7% 0;
  z-index: 0;
  will-change: transform;
}
.hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 42%;
  transform-origin: 55% 45%;
  animation: heroZoom 26s var(--ease) infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.02); }
  to   { transform: scale(1.14); }
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--ground) 70%, transparent) 0%,
      color-mix(in srgb, var(--ground) 20%, transparent) 32%,
      color-mix(in srgb, var(--ground) 40%, transparent) 62%,
      var(--ground) 100%),
    linear-gradient(85deg,
      color-mix(in srgb, var(--ground) 74%, transparent) 0%,
      transparent 55%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(100%, 60rem);
  padding-left: clamp(0rem, 3.4vw, 3.5rem); /* rail so the vertical spec label never crosses the copy */
}
.hero__eyebrow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.7em;
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  animation: fadeUp 1s var(--ease-out) both 0.2s;
}
.hero__eyebrow .dash { color: var(--brass); }

.hero__title {
  font-family: var(--f-display);
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 144, "SOFT" 40;
  font-weight: 300;
  font-size: var(--fs-hero);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.04em; }
.hero__title .line > span {
  display: block;
  transform: translateY(104%);
  animation: lineRise 1.25s var(--ease-out) both;
}
.hero__title .line:nth-child(1) > span { animation-delay: 0.30s; }
.hero__title .line:nth-child(2) > span { animation-delay: 0.42s; }
.hero__title .line:nth-child(3) > span { animation-delay: 0.54s; }
.hero__title .line:nth-child(4) > span { animation-delay: 0.66s; }
.hero__title em { font-style: italic; color: var(--brass-lift); }

.hero__sub {
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
  max-width: 42ch;
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--muted);
  animation: fadeUp 1s var(--ease-out) both 0.8s;
}
.hero__line {
  margin-top: 1.1rem;
  max-width: 40ch;
  color: var(--muted); /* lifted from --faint so the key line stays legible over photography */
  animation: fadeUp 1s var(--ease-out) both 0.95s;
}
.hero__cta {
  display: flex; flex-wrap: wrap; gap: 0.9rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  animation: fadeUp 1s var(--ease-out) both 1.1s;
}

.hero__spec {
  position: absolute;
  z-index: 2;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  animation: fadeIn 1.4s var(--ease-out) both 1.3s;
}
.hero__spec--tr { top: calc(var(--header-h) + 1.4rem); right: var(--gutter); }
.hero__spec--bl { left: var(--gutter); bottom: clamp(3rem, 7vw, 6rem); writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: 0.3em; }
.hero__spec--br { right: var(--gutter); bottom: clamp(3rem, 7vw, 6rem); }

.hero__scrollcue {
  position: absolute;
  left: 50%; bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
  animation: fadeIn 1.4s var(--ease-out) both 1.5s;
}
.hero__scrollcue-line {
  width: 1px; height: 46px;
  background: linear-gradient(var(--brass), transparent);
  position: relative; overflow: hidden;
}
.hero__scrollcue-line::after {
  content: ""; position: absolute; top: -50%; left: 0;
  width: 100%; height: 50%;
  background: var(--brass-lift);
  animation: cueRun 2.6s var(--ease) infinite;
}
@keyframes cueRun { 0% { top: -50%; } 60%,100% { top: 100%; } }

@keyframes lineRise { to { transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* =====================================================================
   THE PRACTICE
   ===================================================================== */
.practice__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
}
@media (min-width: 900px) {
  .practice__grid { grid-template-columns: 1.05fr 0.75fr; align-items: start; }
  .practice__figure { margin-top: clamp(2rem, 6vw, 5rem); }
}
.practice__body { margin-top: clamp(1.6rem, 3vw, 2.6rem); max-width: 46ch; display: grid; gap: 1.3rem; }
.practice__body p { color: var(--muted); }
.practice__pull {
  font-family: var(--f-display);
  font-size: var(--fs-lead);
  font-style: italic;
  line-height: 1.4;
  color: var(--ink);
  padding-left: 1.2rem;
  border-left: 1px solid var(--brass);
}

/* framed image with reveal */
.figure-frame {
  display: block;
  overflow: hidden;
  position: relative;
  background: var(--ground-2);
}
.figure-frame img { width: 100%; height: auto; }
.figure-spec {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-top: 0.9rem;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}

/* =====================================================================
   SELECTED WORK — horizontal gallery
   ===================================================================== */
/* heads are full-width containers left-aligned at the gutter; the measure lives on inner elements */
.work__intro { margin-top: clamp(1.2rem, 2.5vw, 2rem); max-width: 54ch; }

.work__gallery { margin-top: clamp(2.5rem, 5vw, 4rem); }
.work__controls {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-inline: var(--gutter);
  max-width: var(--max);
  margin-inline: auto;
  margin-bottom: 1.4rem;
}
.work__hint {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.work__hint-drag { color: var(--brass-lift); }
.work__arrows { display: flex; gap: 0.5rem; }
.work__arrow {
  width: 46px; height: 46px;
  border: 1px solid var(--line-strong);
  color: var(--muted);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), background-color 0.4s var(--ease);
}
.work__arrow:hover:not(:disabled) { border-color: var(--brass); color: var(--brass-lift); }
.work__arrow:disabled { opacity: 0.32; cursor: not-allowed; }

.work__track {
  list-style: none;
  padding: 0 var(--gutter);
  margin: 0;
  display: flex;
  gap: clamp(1rem, 2vw, 1.75rem);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
.work__track::-webkit-scrollbar { display: none; }
.work__track.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.work__track.is-dragging * { pointer-events: none; }

.work__panel {
  flex: 0 0 auto;
  width: clamp(260px, 78vw, 520px);
  scroll-snap-align: center;
}
.work__figure { margin: 0; position: relative; }
.work__frame {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--ground-2);
}
.work__frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease);
}
.work__panel:hover .work__frame img { transform: scale(1.05); }
.work__frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--ground) 88%, transparent) 100%);
}
.work__index-tag {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  color: var(--ink);
  mix-blend-mode: difference;
}
.work__meta {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
}
.work__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.work__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 1rem;
  border-top: 1px solid var(--line-strong);
  padding-top: 0.85rem;
}
.work__specs > div { display: flex; flex-direction: column; gap: 0.15rem; }
.work__specs dt {
  font-family: var(--f-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-lift);
}
.work__specs dd {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1.3;
}

.work__progress {
  max-width: var(--max);
  margin-inline: auto;
  margin-top: 1.6rem;
  height: 1px;
  background: var(--line);
  position: relative;
}
.work__progress-fill {
  position: absolute; left: 0; top: -0.5px;
  height: 2px;
  width: 20%;
  background: var(--brass);
  transition: width 0.15s linear, left 0.15s linear;
}

/* =====================================================================
   THE TRANSFORMATION — before/after crossfade
   ===================================================================== */
.transform__body { margin-top: clamp(1.2rem, 2.5vw, 2rem); max-width: 52ch; }

.ba {
  margin: clamp(2.5rem, 5vw, 4rem) auto 0;
  max-width: 780px;
}
.ba__stage {
  position: relative;
  aspect-ratio: 1080 / 1350;
  overflow: hidden;
  background: var(--ground-2);
  border: 1px solid var(--line);
}
.ba__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.ba__img--after {
  opacity: var(--after-opacity, 0);   /* scroll (or toggle) drives this */
  will-change: opacity;
}

.ba__labels {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  margin-top: 1.1rem;
}
.ba__label {
  font-family: var(--f-sans);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color 0.5s var(--ease);
}
.ba__label-sub { color: var(--faint); }
.ba__label--before.is-active,
.ba__label--after.is-active { color: var(--brass-lift); }

.ba__toggle {
  display: block;
  margin: 1.4rem auto 0;
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  padding: 0.85em 1.6em;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.ba__toggle:hover { color: var(--brass-lift); border-color: var(--brass); }

/* =====================================================================
   SERVICES
   ===================================================================== */
.services__body { margin-top: clamp(1.2rem, 2.5vw, 2rem); max-width: 54ch; }
.services__list { margin-top: clamp(2.5rem, 5vw, 4rem); display: grid; gap: 0; }

.service {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  padding-block: clamp(2.2rem, 4vw, 3.4rem);
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 820px) {
  .service { grid-template-columns: 0.28fr 0.72fr; gap: clamp(2rem, 5vw, 4rem); }
}
.service__index { display: flex; align-items: baseline; gap: 1rem; }
.service__num {
  font-family: var(--f-display);
  font-weight: 300;
  font-variation-settings: "opsz" 144;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 1;
  color: var(--faint);
}
.service--flagship .service__num { color: var(--brass); }
.service__flag {
  align-self: flex-start;
  font-family: var(--f-sans);
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ground);
  background: var(--brass);
  padding: 0.35em 0.7em;
}
.service__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: var(--fs-h3);
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.service--flagship .service__title { color: var(--ink); }
.service__tag {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--fs-lead);
  color: var(--brass-lift);
  margin-top: 0.5rem;
}
.service__desc { margin-top: 1.1rem; max-width: 52ch; color: var(--muted); }
.service__inc-label { margin-top: 1.6rem; }
.service__includes {
  list-style: none; padding: 0;
  margin-top: 0.8rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 0.6rem;
  max-width: 60ch;
}
.service__includes li {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.4em 0.85em;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}
.service:hover .service__includes li { border-color: var(--line-strong); }
.service__outcome { margin-top: 1.6rem; max-width: 54ch; color: var(--ink); }
.service__outcome .spec-label { display: block; margin-bottom: 0.4rem; color: var(--brass-lift); }
.service--flagship {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--brass) 7%, transparent), transparent 60%);
  margin-inline: calc(-1 * clamp(1rem, 3vw, 2.5rem));
  padding-inline: clamp(1rem, 3vw, 2.5rem);
}

/* =====================================================================
   THE PRINCIPLE — cinematic band
   ===================================================================== */
.principle {
  position: relative;
  overflow: hidden;
  padding-block: clamp(7rem, 16vw, 14rem);
}
.principle__media { position: absolute; inset: 0; z-index: 0; }
.principle__media img {
  width: 100%; height: 118%;
  object-fit: cover;
  object-position: center 30%;
  will-change: transform;
}
.principle__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, var(--ground) 0%, color-mix(in srgb, var(--ground) 55%, transparent) 30%, color-mix(in srgb, var(--ground) 55%, transparent) 70%, var(--ground) 100%),
    linear-gradient(90deg, color-mix(in srgb, var(--ground) 82%, transparent) 0%, color-mix(in srgb, var(--ground) 30%, transparent) 70%);
}
.principle__content { position: relative; z-index: 1; }
.principle__body { margin-top: clamp(1.4rem, 3vw, 2.2rem); font-size: var(--fs-lead); color: var(--ink); max-width: 40ch; }
.principle__list {
  margin-top: 1.3rem;
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--muted);
  max-width: 34ch;
}
.principle__close { margin-top: 1.3rem; color: var(--muted); max-width: 40ch; }

/* =====================================================================
   APPROACH
   ===================================================================== */
.approach__body { margin-top: clamp(1.2rem, 2.5vw, 2rem); max-width: 52ch; }
.approach__steps {
  list-style: none; padding: 0;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.2rem, 4vw, 3.5rem);
  align-items: baseline;
  padding-block: clamp(1.6rem, 3vw, 2.4rem);
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__num {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  color: var(--brass-lift);
  padding-top: 0.5rem;
}
.step__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.9rem);
  line-height: 1.02;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.step__body p { margin-top: 0.7rem; max-width: 44ch; color: var(--muted); }
@media (min-width: 720px) {
  .step { grid-template-columns: auto minmax(0, 0.9fr) 1fr; }
  .step__body { display: contents; }
  .step__title { grid-column: 2; }
  .step__body p { grid-column: 3; margin-top: 0; }
}

/* =====================================================================
   FAQ
   ===================================================================== */
.faq__grid { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 4vw, 4rem); }
@media (min-width: 900px) {
  .faq__grid { grid-template-columns: 0.75fr 1.25fr; align-items: start; }
  .faq__aside { position: sticky; top: calc(var(--header-h) + 2rem); }
}
.faq__list { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  text-align: left;
  padding-block: clamp(1.3rem, 2.5vw, 1.9rem);
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.2;
  color: var(--ink);
  transition: color 0.4s var(--ease);
}
.faq__q:hover { color: var(--brass-lift); }
.faq__icon {
  position: relative; flex: 0 0 auto;
  width: 16px; height: 16px;
}
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; top: 50%; left: 0;
  width: 100%; height: 1px; background: var(--brass);
  transition: transform 0.5s var(--ease);
}
.faq__icon::after { transform: rotate(90deg); }
.faq__q[aria-expanded="true"] .faq__icon::after { transform: rotate(0deg); }
.faq__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.6s var(--ease);
}
.faq__a p {
  padding-bottom: clamp(1.3rem, 2.5vw, 1.9rem);
  max-width: 58ch;
  color: var(--muted);
}

/* =====================================================================
   CONTACT / FORM
   ===================================================================== */
.contact__grid { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 5rem); }
@media (min-width: 920px) {
  .contact__grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.contact__body { margin-top: clamp(1.4rem, 3vw, 2.2rem); font-size: var(--fs-lead); color: var(--muted); max-width: 42ch; }
.contact__direct { margin-top: clamp(1.8rem, 3vw, 2.6rem); display: flex; flex-direction: column; gap: 0.4rem; }
.contact__direct a {
  font-family: var(--f-display);
  font-style: italic;
  font-size: var(--fs-lead);
  color: var(--brass-lift);
  width: max-content;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.contact__direct a:hover { border-color: var(--brass); }

.contact__panel {
  background: var(--ground-2);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3.5vw, 3rem);
}
.contact__panel-head { margin-bottom: clamp(1.6rem, 3vw, 2.4rem); }
.contact__form-title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: var(--fs-h3);
  color: var(--ink);
  line-height: 1.1;
}
.contact__form-helper { margin-top: 0.8rem; font-size: 0.92rem; color: var(--faint); max-width: 46ch; }

.form { display: grid; gap: clamp(1.2rem, 2.5vw, 1.7rem); }
/* the [hidden] attribute must win over the display rules above (JS toggles these) */
.form[hidden], .contact__success[hidden] { display: none; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.field input,
.field textarea,
.field select {
  font-family: var(--f-sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.7rem 0.1rem;
  transition: border-color 0.4s var(--ease);
  border-radius: 0;
}
.field textarea { resize: vertical; min-height: 5.5rem; line-height: 1.6; }
.field input::placeholder,
.field textarea::placeholder { color: var(--faint); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-bottom-color: var(--brass);
}
.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible { outline: none; }
.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select { border-bottom-color: var(--oxblood); }

.field__select { position: relative; }
.field__select::after {
  content: ""; position: absolute; right: 0.4rem; top: 45%;
  width: 8px; height: 8px;
  border-right: 1px solid var(--brass);
  border-bottom: 1px solid var(--brass);
  transform: rotate(45deg);
  pointer-events: none;
}
.field select {
  width: 100%;
  -webkit-appearance: none; -moz-appearance: none; appearance: none;
  padding-right: 1.6rem;
  cursor: pointer;
}
.field select option { background: var(--ground-2); color: var(--ink); }

.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; margin-top: 0.5rem; }
.form__note {
  font-family: var(--f-sans);
  font-size: var(--fs-spec);
  letter-spacing: 0.12em;
  color: var(--oxblood);
  min-height: 1em;
}
.form__note.is-ok { color: var(--brass-lift); }

.contact__success {
  display: flex; flex-direction: column; gap: 0.9rem;
  animation: fadeUp 0.9s var(--ease-out) both;
}
.contact__success .spec-label { color: var(--brass-lift); }
.contact__success-title {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--ink);
}
.contact__success-body { color: var(--muted); max-width: 46ch; }

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(3rem, 6vw, 5rem);
  background: var(--ground-2);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr; }
}
.site-footer__brand img { height: 20px; width: auto; opacity: 0.92; margin-bottom: 1rem; }
.site-footer__brand p { color: var(--faint); max-width: 26ch; }
.site-footer__col { display: flex; flex-direction: column; gap: 0.6rem; }
.site-footer__col .spec-label { margin-bottom: 0.35rem; }
.site-footer__col a { color: var(--muted); width: max-content; transition: color 0.4s var(--ease); }
.site-footer__col a:hover { color: var(--brass-lift); }
.site-footer__base {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

/* =====================================================================
   REVEAL / MOTION (JS-driven, gated by .js so no-JS stays visible)
   ===================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.05s var(--ease-out), transform 1.05s var(--ease-out);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* image clip reveal — a slow wipe from the top edge */
.js [data-reveal="image"] {
  opacity: 0;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.3s var(--ease-out), opacity 1.1s var(--ease-out),
              transform 1.05s var(--ease-out);
}
.js [data-reveal="image"].is-visible { opacity: 1; clip-path: inset(0 0 0 0); transform: none; }

/* stagger service list + steps + faq */
.js .service[data-reveal] { transition-delay: 0.05s; }
.js .approach__steps .step:nth-child(2) { transition-delay: 0.06s; }
.js .approach__steps .step:nth-child(3) { transition-delay: 0.12s; }
.js .approach__steps .step:nth-child(4) { transition-delay: 0.18s; }
.js .approach__steps .step:nth-child(5) { transition-delay: 0.24s; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1180px) {
  .rail { display: none; }
}
@media (max-width: 1024px) {
  /* no room for a vertical rail beside the copy — retire the label, remove its indent */
  .hero__spec--bl { display: none; }
  .hero__content { padding-left: 0; }
}
@media (max-width: 620px) {
  .hero__spec--tr { display: none; }
  .work__specs { grid-template-columns: 1fr; }
  .site-nav__enquire { display: none; }   /* Enquire lives in the overlay index on small screens */
}
@media (max-width: 400px) {
  .hero__eyebrow { font-size: 0.64rem; letter-spacing: 0.18em; }
}
/* short viewports (landscape laptops): tighten hero spacing so the CTAs stay above the fold */
@media (min-width: 640px) and (max-height: 820px) {
  .hero__eyebrow { margin-bottom: 0.9rem; }
  .hero__sub { margin-top: 1rem; }
  .hero__line { margin-top: 0.7rem; }
  .hero__cta { margin-top: 1.35rem; }
}

/* =====================================================================
   REDUCED MOTION — disable transforms / animation, static fallbacks
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: -1ms !important;          /* jump delayed intros to their end-state */
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;            /* staggered intros resolve immediately */
    scroll-behavior: auto !important;
  }
  .grain { animation: none; }
  .hero__img { animation: none; transform: scale(1.04); }
  .hero__title .line > span { transform: none; }
  .hero__scrollcue-line::after { animation: none; display: none; }
  .js [data-reveal],
  .js [data-reveal="image"] { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .principle__media img,
  .hero__media { transform: none !important; }
  .ba__img--after { transition: none; }
}