/* ==========================================================================
   Arqau · The Architecture of Continuity
   ========================================================================== */

:root {
  /* brand */
  --navy: #081630;
  --navy-2: #0f2142;
  --ink: #0c121b;
  --slate: #1e222b;
  --cream: #fdfcf8;
  --paper: #f5f2ea;
  --brass: #c9a46e;          /* the weft thread: decorative / on dark */
  --brass-ink: #86652f;      /* brass for text on cream (AA) */

  /* text */
  --text: #1e222b;
  --muted: #555c69;
  --on-dark: #fdfcf8;
  --on-dark-muted: rgba(253, 252, 248, 0.72);

  /* lines */
  --line: rgba(8, 22, 48, 0.12);
  --line-dark: rgba(253, 252, 248, 0.16);

  /* type */
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* shape */
  --r-panel: 28px;
  --r-card: 20px;
  --r-pill: 999px;

  /* motion */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  /* layout */
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 76px;
  --section-y: clamp(88px, 11vw, 160px);

  color-scheme: light;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--navy); color: var(--cream); }
:focus-visible { outline: 2px solid var(--brass-ink); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: fixed; left: 16px; top: 12px; z-index: 100;
  padding: 10px 16px; border-radius: var(--r-pill);
  background: var(--navy); color: var(--cream);
  transform: translateY(-160%); transition: transform 200ms var(--ease-out);
}
.skip:focus { transform: none; }

.i { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- type ---------- */

.h2 {
  font: 300 clamp(2.1rem, 4.4vw, 3.6rem)/1.06 var(--serif);
  letter-spacing: -0.02em;
  color: var(--navy);
  text-wrap: balance;
}
.lead { font-size: clamp(1.0625rem, 1.3vw, 1.1875rem); line-height: 1.6; color: var(--muted); max-width: 34em; text-wrap: pretty; }
.lead + .lead { margin-top: 16px; }
.h2 + .lead { margin-top: 24px; }

/* ---------- buttons ---------- */
.btn {
  --h: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--h); padding: 0 26px;
  border-radius: var(--r-pill); border: 1px solid transparent;
  font: 500 0.9688rem/1 var(--sans); letter-spacing: 0.005em;
  cursor: pointer; white-space: nowrap;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease, transform 140ms var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn--sm { --h: 42px; padding: 0 18px; font-size: 0.875rem; }
.btn--primary { background: var(--navy); color: var(--cream); }
.btn--light { background: var(--cream); color: var(--navy); }
.btn--ghost-light { border-color: rgba(253, 252, 248, 0.5); background: transparent; color: var(--cream); }
.btn .i { transition: transform 200ms var(--ease-out); }

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { background: var(--navy-2); }
  .btn--light:hover { background: #fff; }
  .btn--ghost-light:hover { border-color: rgba(253, 252, 248, 0.5); background: rgba(253, 252, 248, 0.06); }
  .btn:hover .i, .link:hover .i { transform: translateX(3px); }
}

.link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; color: var(--navy);
  padding-block: 6px;
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
}
.link .i { transition: transform 200ms var(--ease-out); }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(253, 252, 248, 0.86);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  transition: box-shadow 250ms ease;
}
.header.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 8px 24px -16px rgba(8, 22, 48, 0.25); }
.header__bar { height: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 32px; }
.header__logo { justify-self: start; }
.header__logo { display: block; padding: 6px 0; }
.logo { display: block; width: 84px; aspect-ratio: 2280 / 1257; color: var(--navy); }
.logo--light { color: var(--cream); }

.nav { justify-self: center; }
.nav__list { display: flex; gap: 4px; }
.nav__list a {
  display: block; padding: 10px 14px; border-radius: var(--r-pill);
  font-size: 0.9375rem; color: var(--slate); white-space: nowrap;
  transition: background-color 200ms ease, color 200ms ease;
}
.nav__list a.is-active { color: var(--navy); background: rgba(8, 22, 48, 0.06); }
@media (hover: hover) and (pointer: fine) { .nav__list a:hover { background: rgba(8, 22, 48, 0.06); } }
.nav__mobile-only { display: none; }

.header__end { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 20px; }

.langs { display: flex; gap: 2px; font-size: 0.8125rem; letter-spacing: 0.06em; }
.langs a { padding: 8px 6px; color: var(--muted); transition: color 200ms ease; }
.langs a[aria-current="true"] { color: var(--navy); font-weight: 600; }
@media (hover: hover) and (pointer: fine) { .langs a:hover { color: var(--navy); } }

.burger { display: none; width: 44px; height: 44px; border: 0; background: none; padding: 0; cursor: pointer; position: relative; }
.burger span {
  position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--navy); border-radius: 2px;
  transition: transform 300ms var(--ease-out);
}
.burger span:first-child { transform: translateY(-4px); }
.burger span:last-child { transform: translateY(4px); }
.burger[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { padding: 8px 12px 0; }
.hero__panel {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: max(680px, calc(100svh - var(--header-h) - 8px));
  display: flex; flex-direction: column; justify-content: flex-end;
  border-radius: var(--r-panel);
  background: var(--ink);
  color: var(--on-dark);
}
.hero__panel::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 90% at 85% 10%, rgba(8, 22, 48, 0) 0%, rgba(8, 22, 48, 0.55) 60%),
    linear-gradient(180deg, rgba(12, 18, 27, 0.15) 0%, rgba(12, 18, 27, 0.25) 40%, rgba(8, 22, 48, 0.92) 100%);
}
.hero__bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.9;
}
.hero__thread {
  position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%;
  fill: none; stroke: var(--brass); stroke-width: 1.4; vector-effect: non-scaling-stroke;
  opacity: 0.85;
}
.hero__thread path { stroke-dasharray: 1; stroke-dashoffset: 0; }
.hero__thread path + path { opacity: 0.45; }

.hero__content { padding-block: clamp(72px, 9vh, 112px) clamp(64px, 10vh, 112px); }
.hero__title {
  font: 300 clamp(2.375rem, 5.8vw, 5.25rem)/1 var(--serif);
  letter-spacing: -0.028em;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero__title .line > span { display: inline-block; }
.hero__title em { font-style: italic; color: #e9dcc4; }
.hero__lead { margin-top: clamp(24px, 3vw, 36px); max-width: 28em; font-size: clamp(1.25rem, 2vw, 1.75rem); line-height: 1.4; letter-spacing: -0.01em; color: rgba(253, 252, 248, 0.82); text-wrap: pretty; }
.hero__lead strong { font-weight: 600; color: var(--cream); }
.hero__actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

.facts-section { padding-block: clamp(40px, 5vw, 64px); }
.facts {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}
.facts > div { padding: 32px 24px 36px 0; }
.facts > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.facts dt { font: 300 clamp(1.75rem, 2.6vw, 2.5rem)/1.05 var(--serif); letter-spacing: -0.02em; color: var(--navy); }
.facts dd { margin-top: 10px; font-size: 0.9375rem; line-height: 1.45; color: var(--muted); }

/* hero entrance (marketing, once) */
.js .hero__title .line > span { transform: translateY(105%); }
.js .hero__in { opacity: 0; transform: translateY(16px); }
.js .hero__bg { transform: scale(1.08); opacity: 0; }
.js .hero__thread path { stroke-dashoffset: 1; }
.is-loaded .hero__title .line > span { transform: none; transition: transform 1100ms var(--ease-out); }
.is-loaded .hero__title .line:nth-child(2) > span { transition-delay: 80ms; }
.is-loaded .hero__title .line:nth-child(3) > span { transition-delay: 160ms; }
.is-loaded .hero__title .line:nth-child(4) > span { transition-delay: 240ms; }
.is-loaded .hero__in {
  opacity: 1; transform: none;
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
  transition-delay: calc(var(--d) * 80ms);
}
.is-loaded .hero__bg { transform: none; opacity: 0.9; transition: transform 2400ms var(--ease-out), opacity 1200ms ease; }
.is-loaded .hero__thread path { stroke-dashoffset: 0; transition: stroke-dashoffset 2600ms var(--ease-in-out) 300ms; }
.is-loaded .hero__thread path + path { transition-delay: 600ms; }

/* ---------- sections ---------- */
.section { padding-block: var(--section-y); }
.section--paper { background: var(--paper); }
.section-head { max-width: 760px; margin-bottom: clamp(48px, 6vw, 80px); }
.section-head--row { max-width: none; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.section-head--row .lead { justify-self: end; }
.section-head--row .lead { font-size: clamp(1.1875rem, 1.6vw, 1.4375rem); line-height: 1.5; color: var(--slate); }

/* ---------- gap / weave ---------- */
.gap__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(48px, 7vw, 112px); align-items: center; }
.gap__text .h2 { margin-bottom: 28px; }
.weave svg { width: 100%; height: auto; overflow: visible; }
.weave line, .weave path, .weave use { fill: none; stroke-linecap: round; }
.weave__warp line, .weave__over line { stroke: var(--navy); stroke-width: 7; }
.weave__over .halo { stroke: var(--paper); stroke-width: 14; }
.weave__weft path { stroke: var(--brass); stroke-width: 7; stroke-dasharray: 1; stroke-dashoffset: 0; }
.weave__weft-halo use { stroke: var(--paper); stroke-width: 14; }
.weave__over line { transition: opacity 250ms ease; }
.weave__labels {
  display: grid; grid-template-columns: repeat(5, 1fr);
  margin-top: 20px;
  font: 500 0.75rem/1.3 var(--sans); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-align: center;
}

/* ---------- why ---------- */
.why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.why__item {
  padding: 32px 28px 36px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
}
.why__icon {
  display: grid; place-items: center;
  width: 48px; height: 48px; margin-bottom: 40px;
  border-radius: 14px; background: var(--navy); color: var(--brass);
  font-size: 22px;
}
.why__item h3 { font: 400 1.5rem/1.2 var(--serif); letter-spacing: -0.01em; color: var(--navy); margin-bottom: 12px; }
.why__item p { font-size: 0.9688rem; color: var(--muted); }

/* ---------- how ---------- */
.how__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(48px, 7vw, 112px); }
.how__sticky { position: sticky; top: calc(var(--header-h) + 48px); }
.how__sticky .btn { margin-top: 40px; }
.how__progress {
  --p: 0;
  position: relative; margin-top: 48px; padding-left: 28px;
  display: grid; gap: 20px;
  font: 400 1.25rem/1 var(--serif); color: var(--muted);
}
.how__progress::before, .how__progress::after {
  content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px; width: 1px; background: var(--line);
}
.how__progress::after { background: var(--brass); transform-origin: top; transform: scaleY(var(--p)); width: 2px; left: 3.5px; }
.how__progress li { position: relative; transition: color 300ms ease; }
.how__progress li::before {
  content: ""; position: absolute; left: -28px; top: 50%; width: 9px; height: 9px; margin-top: -4.5px;
  border-radius: 50%; background: var(--cream); border: 1px solid var(--line); z-index: 1;
  transition: background-color 300ms ease, border-color 300ms ease;
}
.how__progress li.is-on { color: var(--navy); }
.how__progress li.is-on::before { background: var(--brass); border-color: var(--brass); }

.how__steps { display: grid; gap: clamp(56px, 8vw, 104px); }
.step { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.step__media { border-radius: var(--r-card); overflow: hidden; aspect-ratio: 4 / 5; background: var(--paper); }
.step__media img { width: 100%; height: 100%; object-fit: cover; }
.step__meta { display: flex; gap: 10px; align-items: baseline; font-size: 0.8125rem; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 14px; }
.step__meta span { font: 400 0.9375rem/1 var(--serif); color: var(--brass-ink); }
.step h3 { font: 300 clamp(2rem, 3vw, 2.75rem)/1 var(--serif); letter-spacing: -0.02em; color: var(--navy); margin-bottom: 16px; }
.step p { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.chips li { padding: 7px 13px; border: 1px solid var(--line); border-radius: var(--r-pill); font-size: 0.8125rem; color: var(--slate); }

/* ---------- roles carousel ---------- */
.roles__intro { display: flex; align-items: center; justify-content: flex-end; gap: 32px; }
.roles__intro .lead { max-width: 26em; }
.carousel__nav { display: flex; gap: 8px; flex: none; }
.carousel__btn {
  display: grid; place-items: center; width: 48px; height: 48px;
  border: 0; border-radius: 50%; background: var(--navy); color: var(--cream);
  font-size: 20px; cursor: pointer;
  transition: background-color 200ms ease, opacity 200ms ease, transform 140ms var(--ease-out);
}
.carousel__btn:active { transform: scale(0.94); }
.carousel__btn:disabled { opacity: 0.25; cursor: default; }
@media (hover: hover) and (pointer: fine) { .carousel__btn:not(:disabled):hover { background: var(--navy-2); } }

.carousel__track {
  --edge: max(var(--gutter), calc((100vw - 1240px) / 2 + var(--gutter)));
  display: flex; gap: 24px;
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scroll-padding-inline: var(--edge);
  padding: 4px var(--edge) 8px;
  scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track:focus-visible { outline-offset: -2px; }

.lead-card {
  flex: none; width: clamp(272px, 26vw, 340px);
  display: flex; flex-direction: column;
  background: var(--cream); border: 1px solid var(--line); border-radius: var(--r-card);
  overflow: hidden; scroll-snap-align: start;
}
.lead-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.lead-card__body { flex: 1; display: flex; flex-direction: column; padding: 24px 24px 28px; }
.lead-card__kicker { font: 500 0.75rem/1.45 var(--sans); letter-spacing: 0.06em; color: var(--brass-ink); margin-bottom: 14px; }
.lead-card h3 { font: 400 1.5rem/1.15 var(--serif); letter-spacing: -0.01em; color: var(--navy); margin-bottom: 12px; }
.lead-card p:not(.lead-card__kicker) { font-size: 0.9375rem; color: var(--muted); }

/* ---------- work ---------- */
.case-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 500px; border-radius: var(--r-card);
  background: var(--navy); color: var(--on-dark);
}
.case-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease-out); }
.case-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(8, 22, 48, 0.92) 0%, rgba(8, 22, 48, 0.72) 45%, rgba(8, 22, 48, 0.45) 100%);
}
.case-card__body { height: 100%; display: flex; flex-direction: column; padding: clamp(24px, 2.6vw, 34px); }
.case-card h3 { font: 400 clamp(1.375rem, 1.9vw, 1.625rem)/1.2 var(--serif); letter-spacing: -0.01em; margin-bottom: 16px; text-wrap: balance; }
.case-card p { font-size: 0.9688rem; line-height: 1.6; color: rgba(253, 252, 248, 0.82); margin-bottom: 32px; }
.case-card__more { margin-top: auto; align-self: flex-start; }
@media (hover: hover) and (pointer: fine) { .case-card:hover img { transform: scale(1.04); } }

/* case dialog */
.case-dialog {
  width: min(880px, calc(100vw - 32px)); max-height: calc(100dvh - 48px);
  padding: 0; border: 0; border-radius: var(--r-panel);
  background: var(--cream); color: var(--text);
  box-shadow: 0 40px 80px -30px rgba(8, 22, 48, 0.55);
  overflow: auto; overscroll-behavior: contain;
}
.case-dialog::backdrop { background: rgba(12, 18, 27, 0.55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.case-dialog[open] { animation: dialog-in 280ms var(--ease-out); }
.case-dialog[open]::backdrop { animation: backdrop-in 280ms ease; }
.case-dialog.is-closing { animation: dialog-out 180ms var(--ease-out) forwards; }
.case-dialog.is-closing::backdrop { animation: backdrop-in 180ms ease reverse forwards; }
@keyframes dialog-in { from { opacity: 0; transform: translateY(12px) scale(0.97); } }
@keyframes dialog-out { to { opacity: 0; transform: translateY(8px) scale(0.98); } }
@keyframes backdrop-in { from { opacity: 0; } }
.case-dialog__content { display: grid; grid-template-columns: 0.9fr 1.1fr; }
.case-dialog__img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.case-dialog__body { padding: clamp(28px, 4vw, 48px); }
.case-dialog__title { font: 400 clamp(1.5rem, 2.4vw, 2rem)/1.15 var(--serif); letter-spacing: -0.015em; color: var(--navy); margin: 0 32px 18px 0; text-wrap: balance; }
.case-dialog__body > p { color: var(--muted); }
.case-dialog__result { margin-top: 14px; }
.case-dialog__result strong { color: var(--navy); font-weight: 600; }
.case-dialog__label { margin-top: 28px; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass-ink); }
.case-dialog__label + .chips { margin-top: 12px; }
.case-dialog .btn { margin-top: 32px; }
.case-dialog__close {
  position: absolute; top: 14px; right: 14px; z-index: 1;
  display: grid; place-items: center; width: 44px; height: 44px;
  border: 0; border-radius: 50%; background: rgba(253, 252, 248, 0.92); color: var(--navy);
  font-size: 20px; cursor: pointer;
  box-shadow: 0 2px 10px rgba(8, 22, 48, 0.15);
  transition: transform 140ms var(--ease-out), background-color 200ms ease;
}
.case-dialog__close:active { transform: scale(0.94); }
@media (hover: hover) and (pointer: fine) { .case-dialog__close:hover { background: #fff; } }

/* ---------- contact ---------- */
.contact { padding: 12px 12px 0; }
.contact__panel {
  position: relative; isolation: isolate; overflow: hidden;
  border-radius: var(--r-panel);
  background: var(--navy); color: var(--on-dark);
  padding-block: clamp(80px, 10vw, 144px);
}
.contact__pattern { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.09; }
.contact__pattern path { stroke: var(--cream); stroke-width: 1; fill: none; }
.contact__pattern path.v { stroke: var(--brass); }
.contact__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 7vw, 112px); align-items: center; }
.contact__name { font: 300 italic clamp(4rem, 9vw, 8rem)/0.9 var(--serif); letter-spacing: -0.03em; }
.contact__name + .h2 { margin-top: clamp(40px, 5vw, 64px); padding-top: clamp(32px, 4vw, 48px); border-top: 1px solid var(--line-dark); }
.contact .h2 { color: var(--cream); }
.contact .lead { color: var(--on-dark-muted); }
.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  padding: clamp(24px, 4vw, 44px);
  background: var(--cream); border-radius: var(--r-panel);
  color: var(--text);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.5);
}
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.875rem; font-weight: 500; color: var(--slate); }
.field input, .field textarea {
  width: 100%; min-height: 50px; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
  font-size: 1rem; color: var(--text);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: #8a909b; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(8, 22, 48, 0.1); }
.field input[aria-invalid="true"] { border-color: #a1332a; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; margin-top: 4px; }
.form__status { font-size: 0.9375rem; color: var(--muted); }
.form__status.is-error { color: #a1332a; }
.form__status.is-ok { color: var(--navy); }

/* ---------- footer ---------- */
.footer { margin-top: 12px; background: var(--ink); color: var(--on-dark); padding-top: clamp(64px, 8vw, 96px); }
.footer__grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; padding-bottom: 64px; }
.footer__brand .logo { width: 120px; }
.footer__brand p { margin-top: 20px; font: 300 italic 1.25rem/1.3 var(--serif); color: var(--on-dark-muted); }
.footer__nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer__nav h3 { font: 500 0.75rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--brass); margin-bottom: 18px; }
.footer__nav a { display: block; padding: 6px 0; font-size: 0.9375rem; color: var(--on-dark-muted); transition: color 200ms ease; }
@media (hover: hover) and (pointer: fine) { .footer__nav a:hover { color: var(--cream); } }
.footer__base {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-block: 24px; border-top: 1px solid var(--line-dark);
  font-size: 0.875rem; color: var(--on-dark-muted);
}

.credit { color: var(--on-dark-muted); transition: color 200ms ease; }
.credit span { color: #0084ff; font-weight: 500; }
@media (hover: hover) and (pointer: fine) { .credit:hover { color: var(--cream); } }

/* ---------- scroll reveal (marketing, once) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); }
.js [data-reveal].is-in {
  opacity: 1; transform: none;
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 1fr; }
  .step__media { aspect-ratio: 16 / 10; }
}

@media (max-width: 1180px) and (min-width: 961px) {
  .header__bar { gap: 20px; }
  .nav__list a { padding-inline: 10px; }
  .header__end { gap: 12px; }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .burger { display: block; }
  .header__end > .langs { display: none; }
  .nav__langs { padding-top: 20px; }
  .nav__langs .langs { font-size: 0.9375rem; }
  .nav__langs .langs a { padding: 10px 14px 10px 0; border: 0; font: inherit; color: var(--muted); }
  .nav__langs .langs a[aria-current="true"] { color: var(--navy); }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(8, 22, 48, 0.3);
    transform-origin: top;
    opacity: 0; transform: translateY(-8px); visibility: hidden;
    transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out), visibility 0s 220ms;
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out); }
  .nav__list { flex-direction: column; padding: 12px var(--gutter) 28px; gap: 0; }
  .nav__list a { padding: 16px 0; border-radius: 0; font: 300 1.75rem/1.1 var(--serif); color: var(--navy); border-bottom: 1px solid var(--line); }
  .nav__list a.is-active { background: none; }
  .nav__mobile-only { display: block; }
  .logo { width: 72px; }

  .gap__grid, .how__grid, .contact__grid, .footer__grid { grid-template-columns: 1fr; }
  .section-head--row { grid-template-columns: 1fr; gap: 20px; }
  .section-head--row .lead { justify-self: start; }
  .how__sticky { position: static; }
  .how__progress { display: none; }
  .how__sticky .btn { margin-top: 32px; }
  .step { grid-template-columns: 1fr 1fr; }
  .step__media { aspect-ratio: 4 / 5; }

  .roles__intro { justify-content: space-between; }
  .case-cards { grid-template-columns: 1fr 1fr; }
  .case-card:last-child { grid-column: 1 / -1; min-height: 380px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .hero { padding: 4px 8px 0; }
  .hero__panel { min-height: calc(100svh - var(--header-h) - 4px); border-radius: 22px; }
  .hero__content { padding-block: 96px 64px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .facts > div { padding: 22px 12px 24px 0; }
  .facts > div + div { padding-left: 16px; }
  .facts > div:nth-child(3) { padding-left: 0; }
  .facts dd { font-size: 0.8125rem; }
  .why__grid { grid-template-columns: 1fr; }
  .why__icon { margin-bottom: 28px; }
  .step { grid-template-columns: 1fr; gap: 24px; }
  .step__media { aspect-ratio: 4 / 3; }
  .roles__intro { flex-direction: column; align-items: flex-start; gap: 24px; }
  .case-cards { grid-template-columns: 1fr; }
  .case-card, .case-card:last-child { grid-column: auto; min-height: 420px; }
  .case-dialog__content { grid-template-columns: 1fr; }
  .case-dialog__img { min-height: 0; aspect-ratio: 16 / 9; height: auto; }
  .weave__labels { font-size: 0.625rem; letter-spacing: 0.04em; }
  .contact { padding: 8px 8px 0; }
  .contact__panel { border-radius: 22px; }
  .form { grid-template-columns: 1fr; }
  .form .btn { width: 100%; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
  .footer__base { flex-direction: column-reverse; align-items: flex-start; }
}

/* ---------- accessibility preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .hero__in, .js .hero__title .line > span, .js .hero__bg {
    transform: none !important;
  }
  .js [data-reveal].is-in, .is-loaded .hero__in, .is-loaded .hero__bg { transition: opacity 300ms ease !important; transition-delay: 0ms !important; }
  .js .hero__title .line > span { transition: none !important; }
  .js .hero__thread path { stroke-dashoffset: 0; transition: none !important; }
  .btn:active, .carousel__btn:active { transform: none; }
  .case-dialog[open] { animation: backdrop-in 200ms ease; }
  .case-dialog.is-closing { animation: backdrop-in 150ms ease reverse forwards; }
  .case-card img { transition: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .header { background: var(--cream); -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-contrast: more) {
  :root { --muted: #3a404b; --line: rgba(8, 22, 48, 0.35); }
}