/* ============================================================
   VANGH STUDIO — main.css
   Aesthetic: editorial / technical drafting.
   Bone paper, ink, one signal colour. Hairline rules, mono
   metadata, optical-size serif display. No decoration without
   a reason.
   ============================================================ */

/* ---------- 1. Tokens ---------- */

:root {
  /* Paper */
  --bone:      #F2EEE5;
  --bone-2:    #E9E3D6;
  --bone-3:    #DED7C7;

  /* Ink */
  --ink:       #17150F;
  --ink-2:     #35322A;
  --muted:     #726C5D;
  --muted-2:   #918B7B;

  /* Signal */
  --signal:    #C63F16;
  --signal-2:  #E0703F;
  --signal-wash: rgba(198, 63, 22, 0.08);

  /* Structure */
  --rule:      rgba(23, 21, 15, 0.15);
  --rule-soft: rgba(23, 21, 15, 0.08);

  /* Contextual (flips inside .invert) */
  --bg:        var(--bone);
  --fg:        var(--ink);
  --fg-muted:  var(--muted);
  --line:      var(--rule);
  --line-soft: var(--rule-soft);
  --accent:    var(--signal);

  /* Type */
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body:    "Archivo", "Helvetica Neue", Helvetica, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Measure & rhythm */
  --gutter:  clamp(1.25rem, 4vw, 4.5rem);
  --maxw:    82rem;
  --section: clamp(5rem, 11vw, 10.5rem);

  /* Motion */
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:   cubic-bezier(0.65, 0, 0.35, 1);
  --dur:       0.55s;
}

.invert {
  --bg:        #131209;
  --fg:        #F0EBE0;
  --fg-muted:  #9A9384;
  --line:      rgba(240, 235, 224, 0.17);
  --line-soft: rgba(240, 235, 224, 0.08);
  --accent:    #F0703C;
  background: var(--bg);
  color: var(--fg);
}

/* ---------- 2. Reset & base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.62;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

::selection { background: var(--signal); color: var(--bone); }

/* Focus — visible, on-brand, never removed */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--bone);
  padding: 0.9rem 1.4rem;
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none;
}
.skip:focus { left: 0; }

/* ---------- 3. Atmosphere: grain + drafting grid ---------- */

body::before {
  /* fine film grain */
  content: "";
  position: fixed; inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

.gridlines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.gridlines span {
  border-left: 1px solid rgba(23, 21, 15, 0.045);
}
.gridlines span:last-child {
  border-right: 1px solid rgba(23, 21, 15, 0.045);
}
@media (max-width: 720px) {
  .gridlines { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 4. Layout primitives ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

.wrap--narrow { max-width: 52rem; }

section { position: relative; }

.band {
  padding-block: var(--section);
  background: var(--bg);
  color: var(--fg);
}
.band--tight { padding-block: clamp(3.5rem, 7vw, 6rem); }

hr.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- 5. Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  font-variation-settings: "SOFT" 12, "WONK" 1, "opsz" 108;
  letter-spacing: -0.028em;
  line-height: 0.98;
  margin: 0;
  text-wrap: balance;
}

.display-xl {
  font-size: clamp(3.1rem, 10.2vw, 9.5rem);
  line-height: 0.86;
  letter-spacing: -0.042em;
}
.display-l {
  font-size: clamp(2.4rem, 6.4vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.036em;
}
.display-m {
  font-size: clamp(1.85rem, 3.9vw, 3.1rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
}
.display-s {
  font-size: clamp(1.3rem, 2.1vw, 1.75rem);
  line-height: 1.16;
  letter-spacing: -0.022em;
}

.serif-italic {
  font-style: italic;
  font-variation-settings: "SOFT" 40, "WONK" 1, "opsz" 108;
  color: var(--accent);
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: clamp(1.15rem, 1.02rem + 0.62vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: -0.014em;
  color: var(--fg);
  max-width: 34ch;
}
.lede--wide { max-width: 46ch; }

.body-lg { font-size: 1.1rem; line-height: 1.65; }

.muted { color: var(--fg-muted); }

.prose { max-width: 38rem; }
.prose p { color: var(--fg-muted); }
.prose p strong { color: var(--fg); font-weight: 600; }
.prose h3 {
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  margin: 2.6rem 0 0.9rem;
}

/* Mono metadata */
.mono {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 450;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.4;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.6rem;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
  flex: none;
}

/* Section header: number + title, hairline above */
.sec-head {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: clamp(1rem, 3vw, 3rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.sec-head__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  padding-top: 0.5rem;
}
.sec-head__body { max-width: 46rem; }
.sec-head__body p { margin-top: 1.2rem; color: var(--fg-muted); max-width: 42ch; }
@media (max-width: 700px) {
  .sec-head { grid-template-columns: 1fr; gap: 0.75rem; }
  .sec-head__num { padding-top: 0; }
}

/* ---------- 6. Links & buttons ---------- */

a { color: inherit; }

.link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.4s var(--ease), color 0.3s var(--ease);
  padding-bottom: 1px;
}
.link:hover { background-size: 100% 1px; color: var(--accent); }

.link-mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.link-mono::after {
  content: "→";
  transition: transform 0.35s var(--ease);
}
.link-mono:hover { color: var(--accent); gap: 0.85rem; }
.link-mono:hover::after { transform: translateX(3px); }

.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--bone);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.05rem 1.75rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--btn-bg);
  border-radius: 0;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease);
  z-index: -1;
}
.btn:hover::before { transform: scaleY(1); }
.btn:hover { border-color: var(--accent); color: #fff; }
.btn span.dot {
  width: 5px; height: 5px; background: currentColor; border-radius: 50%;
  flex: none;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--fg);
  border-color: var(--line);
}
.btn--ghost:hover { color: #fff; border-color: var(--accent); }

.invert .btn { --btn-bg: var(--fg); --btn-fg: #131209; }
.invert .btn--ghost { --btn-bg: transparent; --btn-fg: var(--fg); border-color: var(--line); }

/* ---------- 7. Header / nav ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bone) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--rule-soft);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 4.4rem;
}

.mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
}
.mark__glyph {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 1, "opsz" 144;
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -0.045em;
  line-height: 1;
}
.mark__glyph::after {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--signal);
  margin-left: 3px;
  vertical-align: 2px;
}
.mark__word {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.3rem);
}
.nav a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  position: relative;
  padding-block: 0.4rem;
  transition: color 0.3s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav__cta {
  padding: 0.6rem 1.05rem !important;
  border: 1px solid var(--rule);
  color: var(--ink) !important;
}
.nav__cta::after { display: none; }
.nav__cta:hover { background: var(--ink); color: var(--bone) !important; border-color: var(--ink); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  padding: 0.55rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 4.4rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bone);
    border-bottom: 1px solid var(--rule);
    padding: 0.5rem var(--gutter) 1.75rem;
    transform: translateY(-120%);
    transition: transform 0.5s var(--ease);
    box-shadow: 0 24px 40px -28px rgba(23,21,15,0.5);
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav a {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule-soft);
    color: var(--ink);
  }
  .nav a::after { display: none; }
  .nav__cta {
    margin-top: 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--rule) !important;
    background: var(--ink);
    color: var(--bone) !important;
  }
}

/* ---------- 8. Hero ---------- */

.hero {
  padding-top: clamp(3.5rem, 9vw, 7.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  position: relative;
}

.hero__title {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }

.hero__grid {
  display: grid;
  grid-template-columns: 1fr minmax(16rem, 22rem);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: end;
  padding-top: 2.4rem;
  border-top: 1px solid var(--rule);
}
@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
}

.hero__meta { display: grid; gap: 1.15rem; }
.hero__meta dl {
  margin: 0;
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.3rem 1rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero__meta dt { color: var(--muted-2); }
.hero__meta dd { margin: 0; color: var(--ink); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #3E8F4B;
  box-shadow: 0 0 0 0 rgba(62, 143, 75, 0.55);
  animation: pulse 2.6s var(--ease) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(62,143,75,0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(62,143,75,0); }
  100% { box-shadow: 0 0 0 0 rgba(62,143,75,0); }
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 0.5rem; }

/* ---------- 9. Ticker ---------- */

.ticker {
  border-block: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
  padding-block: 0.95rem;
  position: relative;
  z-index: 1;
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: slide 46s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track > div { display: flex; flex: none; }
.ticker span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding-inline: 1.5rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
}
.ticker span::after {
  content: "";
  width: 4px; height: 4px;
  background: var(--accent);
  transform: rotate(45deg);
}
@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- 10. Services ---------- */

.services { display: grid; }

.service {
  display: grid;
  grid-template-columns: 6rem 1fr minmax(0, 30rem);
  gap: clamp(1rem, 3vw, 3rem);
  padding: clamp(1.9rem, 3.4vw, 2.8rem) 0;
  border-top: 1px solid var(--line);
  align-items: start;
  transition: background 0.5s var(--ease);
  position: relative;
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service::before {
  content: "";
  position: absolute;
  left: calc(var(--gutter) * -1);
  right: calc(var(--gutter) * -1);
  top: -1px; bottom: 0;
  background: var(--signal-wash);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}
.service:hover::before { opacity: 1; }

.service__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--muted-2);
  padding-top: 0.55rem;
  transition: color 0.35s var(--ease);
}
.service:hover .service__num { color: var(--signal); }

.service__title {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.7vw, 2.2rem);
  font-weight: 500;
  font-variation-settings: "SOFT" 10, "WONK" 1, "opsz" 92;
  letter-spacing: -0.028em;
  line-height: 1.05;
  margin: 0 0 0.9rem;
}
.service__desc { color: var(--muted); margin: 0; }
.service__tags {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin: 1.1rem 0 0; padding: 0; list-style: none;
}
.service__tags li {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  padding: 0.32rem 0.6rem;
  white-space: nowrap;
}
@media (max-width: 860px) {
  .service { grid-template-columns: 1fr; gap: 0.5rem; }
  .service__num { padding-top: 0; margin-bottom: 0.4rem; }
}

/* ---------- 11. Work index ---------- */

.work-index { display: grid; }

.work-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 9rem 7rem 2rem;
  gap: clamp(0.75rem, 2.4vw, 2rem);
  align-items: center;
  padding: clamp(1.5rem, 2.6vw, 2.1rem) 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: padding-left 0.5s var(--ease);
}
.work-row:last-child { border-bottom: 1px solid var(--line); }
.work-row::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.work-row:hover { padding-left: 0.9rem; }
.work-row:hover::after { transform: scaleX(1); }

.work-row__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
}
.work-row__title {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 2.4rem);
  font-weight: 500;
  font-variation-settings: "SOFT" 10, "WONK" 1, "opsz" 96;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin: 0;
  transition: color 0.35s var(--ease);
}
.work-row:hover .work-row__title { color: var(--accent); }
.work-row__sub {
  display: block;
  font-family: var(--body);
  font-size: 0.9rem;
  letter-spacing: 0;
  color: var(--fg-muted);
  margin-top: 0.5rem;
  max-width: 44ch;
}
.work-row__cell {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.work-row__arrow {
  justify-self: end;
  font-family: var(--mono);
  color: var(--fg-muted);
  transition: transform 0.4s var(--ease), color 0.35s var(--ease);
}
.work-row:hover .work-row__arrow { transform: translateX(4px); color: var(--accent); }

@media (max-width: 900px) {
  .work-row { grid-template-columns: 3rem 1fr 1.5rem; }
  .work-row__cell { display: none; }
  .work-row__meta-mobile {
    display: flex; gap: 0.5rem; flex-wrap: wrap;
    grid-column: 2 / 3;
    font-family: var(--mono); font-size: 0.62rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--fg-muted); margin-top: 0.75rem;
  }
}
.work-row__meta-mobile { display: none; }
@media (max-width: 900px) { .work-row__meta-mobile { display: flex; } }

/* ---------- 12. Plates (generated project visuals) ---------- */

.plate {
  aspect-ratio: 12 / 5;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  background: var(--bone-2);
  display: grid;
  place-items: center;
}
.plate::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(23,21,15,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23,21,15,0.05) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
}
.plate__figure { position: relative; width: min(68%, 46rem); }
.plate__code {
  position: absolute;
  bottom: 0.75rem; left: 0.9rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.invert .plate { background: rgba(240,235,224,0.04); }
.invert .plate::before {
  background-image:
    linear-gradient(to right, rgba(240,235,224,0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(240,235,224,0.055) 1px, transparent 1px);
}

/* ---------- 13. Approach / steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.step {
  padding: 2rem clamp(1rem, 2vw, 2rem) 2.2rem 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.step:last-child { border-right: 1px solid var(--line); }
.step__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  display: block;
  margin-bottom: 1.4rem;
}
.step h3 {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 500;
  font-variation-settings: "SOFT" 10, "WONK" 1, "opsz" 72;
  letter-spacing: -0.025em;
  margin: 0 0 0.7rem;
}
.step p { color: var(--fg-muted); font-size: 0.95rem; margin: 0; }
@media (max-width: 620px) {
  .step { border-right: 0; padding-right: 0; }
}
@media (min-width: 621px) {
  .step { padding-left: clamp(1rem, 2vw, 2rem); }
  .step:first-child { padding-left: 0; }
}

/* ---------- 14. Stat / proof strip ---------- */

.proof {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof__item {
  padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1rem, 2vw, 2rem) clamp(1.6rem, 3vw, 2.4rem) 0;
  border-right: 1px solid var(--line);
}
.proof__item:last-child { border-right: 0; }
.proof__n {
  font-family: var(--display);
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  font-weight: 500;
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 120;
  letter-spacing: -0.045em;
  line-height: 0.9;
  display: block;
  margin-bottom: 0.8rem;
}
.proof__n em { font-style: normal; color: var(--accent); }
.proof__l {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: block;
  max-width: 22ch;
}
@media (min-width: 621px) {
  .proof__item { padding-left: clamp(1rem, 2vw, 2rem); }
  .proof__item:first-child { padding-left: 0; }
}
@media (max-width: 620px) {
  .proof__item { border-right: 0; border-bottom: 1px solid var(--line); padding-right: 0; }
  .proof__item:last-child { border-bottom: 0; }
}

/* ---------- 15. Case study page ---------- */

.cs-hero { padding-top: clamp(3rem, 7vw, 5.5rem); }
.cs-hero__kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.6rem;
  display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center;
}
.cs-hero__kicker .sep { color: var(--signal); }

.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
.cs-meta div {
  padding: 1.4rem clamp(0.75rem, 1.6vw, 1.6rem) 1.5rem 0;
  border-right: 1px solid var(--rule);
}
.cs-meta div:last-child { border-right: 0; }
.cs-meta dt {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 0.6rem;
}
.cs-meta dd { margin: 0; font-size: 0.93rem; line-height: 1.45; }
@media (min-width: 700px) {
  .cs-meta div { padding-left: clamp(0.75rem, 1.6vw, 1.6rem); }
  .cs-meta div:first-child { padding-left: 0; }
}
@media (max-width: 699px) {
  .cs-meta div { border-right: 0; border-bottom: 1px solid var(--rule); padding-right: 0; }
}

.cs-section {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: clamp(1rem, 4vw, 3.5rem);
  padding-block: clamp(2.6rem, 5vw, 4.2rem);
  border-top: 1px solid var(--line);
}
.cs-section__label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 0.45rem;
}
.cs-section__body { max-width: 40rem; }
.cs-section__body > h2 {
  font-size: clamp(1.6rem, 2.9vw, 2.35rem);
  margin-bottom: 1.3rem;
}
.cs-section__body p { color: var(--fg-muted); }
.cs-section__body p strong { color: var(--fg); font-weight: 600; }
@media (max-width: 780px) {
  .cs-section { grid-template-columns: 1fr; gap: 0.9rem; }
  .cs-section__label { padding-top: 0; }
}

.spec-list { list-style: none; margin: 1.6rem 0 0; padding: 0; }
.spec-list li {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line-soft);
  color: var(--fg-muted);
  font-size: 0.97rem;
}
.spec-list li::before {
  content: "→";
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  padding-top: 0.15rem;
}
.spec-list li strong { color: var(--fg); font-weight: 600; }

.pull {
  margin: clamp(2rem, 4vw, 3rem) 0;
  padding-left: clamp(1.25rem, 3vw, 2.25rem);
  border-left: 2px solid var(--accent);
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.3vw, 1.85rem);
  font-weight: 400;
  font-variation-settings: "SOFT" 30, "WONK" 1, "opsz" 84;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: var(--fg);
}

.stack-grid {
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  margin: 1.6rem 0 0; padding: 0; list-style: none;
}
.stack-grid li {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 0.42rem 0.7rem;
  color: var(--fg-muted);
}

/* ---------- 16. Contact form ---------- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem clamp(1rem, 2.5vw, 2rem);
}
.field { display: flex; flex-direction: column; gap: 0.55rem; }
.field--full { grid-column: 1 / -1; }
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
}

.field label, .fieldset-legend {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.field label .req { color: var(--accent); }

.field input,
.field textarea,
.field select {
  font-family: var(--body);
  font-size: 1rem;
  color: var(--fg);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0;
  border-radius: 0;
  transition: border-color 0.35s var(--ease);
  width: 100%;
}
.field select { appearance: none; cursor: pointer; }
.field textarea { resize: vertical; min-height: 8rem; line-height: 1.55; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }

fieldset { border: 0; padding: 0; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.chip { position: relative; }
.chip input {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.chip span {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  color: var(--fg-muted);
  transition: all 0.3s var(--ease);
  user-select: none;
}
.chip span:hover { border-color: var(--accent); color: var(--fg); }
.chip input:checked + span {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.form-status {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 1.25rem;
  min-height: 1.2rem;
}
.form-status[data-state="ok"] { color: #3E8F4B; }
.form-status[data-state="err"] { color: var(--accent); }
.form-status[data-state="busy"] { color: var(--fg-muted); }

.hp { position: absolute; left: -9999px; opacity: 0; }

/* ---------- 17. CTA band ---------- */

.cta-band { position: relative; overflow: hidden; }
.cta-band__title { max-width: 18ch; }
.cta-band__row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  align-items: center;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

/* ---------- 18. Footer ---------- */

.site-foot {
  background: #131209;
  color: #F0EBE0;
  --fg: #F0EBE0;
  --fg-muted: #9A9384;
  --line: rgba(240,235,224,0.16);
  --accent: #F0703C;
  padding-block: clamp(3.5rem, 7vw, 5.5rem) 2rem;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(2, minmax(8rem, 0.6fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .foot-grid { grid-template-columns: 1fr; } }

.foot-grid h4 {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 450;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 1.2rem;
}
.foot-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.foot-list a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--fg);
  transition: color 0.3s var(--ease);
}
.foot-list a:hover { color: var(--accent); }

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1.75rem;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.foot-bottom a { color: var(--fg-muted); text-decoration: none; }
.foot-bottom a:hover { color: var(--accent); }

.foot-mark {
  font-family: var(--display);
  font-variation-settings: "SOFT" 0, "WONK" 1, "opsz" 144;
  font-size: clamp(3.5rem, 15vw, 11rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.8;
  color: rgba(240,235,224,0.07);
  margin-top: clamp(2rem, 5vw, 3.5rem);
  user-select: none;
  pointer-events: none;
}

/* ---------- 19. Reveal animation ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* Hero line entrance */
.hero__title .line > span {
  animation: riseIn 1.05s var(--ease) both;
}
.hero__title .line:nth-child(1) > span { animation-delay: 0.05s; }
.hero__title .line:nth-child(2) > span { animation-delay: 0.16s; }
.hero__title .line:nth-child(3) > span { animation-delay: 0.27s; }
.hero__title .line:nth-child(4) > span { animation-delay: 0.38s; }
@keyframes riseIn {
  from { transform: translateY(105%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.fade-up { animation: fadeUp 0.9s var(--ease) both; }
.d1 { animation-delay: 0.45s; }
.d2 { animation-delay: 0.58s; }
.d3 { animation-delay: 0.7s; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- 20. Utilities ---------- */

.stack-sm > * + * { margin-top: 0.75rem; }
.stack-md > * + * { margin-top: 1.5rem; }
.stack-lg > * + * { margin-top: 2.5rem; }
.mt-l { margin-top: clamp(2.5rem, 5vw, 4rem); }
.mt-m { margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.text-right { text-align: right; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }