/* ==========================================================================
   ACE - Amplified Creative Experiences
   Design system. Dark, monochrome, image-led. One hot accent.
   Two families: Manrope (structure) + Martian Mono (cue-sheet labels).
   ========================================================================== */

/* ---- Fonts (self-hosted variable subsets) ------------------------------- */
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/assets/fonts/manrope-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Martian Mono';
  font-style: normal;
  font-weight: 400 500;
  font-stretch: 100%;
  font-display: swap;
  src: url('/assets/fonts/martianmono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---- Tokens ------------------------------------------------------------- */
:root {
  /* base */
  --ace-black:      #0B0B0C;
  --ace-surface:    #141416;
  --ace-surface-2:  #1D1D20;

  /* type */
  --ace-white:      #F4F2EF;
  --ace-grey:       #9A9A9E;
  --ace-grey-dim:   #6A6A6E;

  /* accent */
  --ace-accent:     #E8532B;
  --ace-accent-dim: #B33D1D;

  /* lines */
  --ace-rule:        rgba(244, 242, 239, 0.12);
  --ace-rule-strong: rgba(244, 242, 239, 0.24);

  /* families */
  --font-sans: 'Manrope', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Martian Mono', ui-monospace, 'SFMono-Regular', 'Cascadia Code', monospace;

  /* fluid type scale (against ~1600px container) */
  --fs-display: clamp(2.5rem, 7vw, 6rem);
  --fs-h1:      clamp(2.5rem, 5vw, 4rem);
  --fs-h2:      clamp(1.875rem, 3vw, 2.75rem);
  --fs-h3:      clamp(1.25rem, 2vw, 1.5rem);
  --fs-body-lg: clamp(1.125rem, 1.4vw, 1.375rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;
  --fs-label:   0.75rem;

  /* layout */
  --container: 1600px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --section-y: clamp(5rem, 10vw, 9rem);
  --header-h: 72px;
  --radius: 4px;

  /* motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* z-index scale */
  --z-base: 1;
  --z-header: 100;
  --z-menu: 200;
  --z-lightbox: 300;
  --z-skip: 400;
}

/* ---- 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; }
}
body {
  background: var(--ace-black);
  color: var(--ace-white);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
:target { scroll-margin-top: calc(var(--header-h) + 2rem); }

/* Focus visibility (a11y) */
:focus-visible {
  outline: 2px solid var(--ace-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  z-index: var(--z-skip);
  background: var(--ace-white);
  color: var(--ace-black);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* ---- Typography --------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.display {
  font-size: var(--fs-display);
  line-height: 1.03;
  letter-spacing: -0.025em;
}
h1, .h1 { font-size: var(--fs-h1); }
h2, .h2 { font-size: var(--fs-h2); }
h3, .h3 { font-size: var(--fs-h3); line-height: 1.2; }
p { text-wrap: pretty; }
.lead {
  font-size: var(--fs-body-lg);
  line-height: 1.55;
  color: var(--ace-white);
  max-width: 34ch;
}
.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.15em; }
.prose p { color: color-mix(in srgb, var(--ace-white) 90%, var(--ace-grey)); }
.measure { max-width: 62ch; }
.muted { color: var(--ace-grey); }
.accent { color: var(--ace-accent); }

/* Cue-sheet label system (Martian Mono). Used deliberately, not on every section. */
.label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ace-grey);
  line-height: 1.4;
}
.mono { font-family: var(--font-mono); letter-spacing: -0.02em; }

/* ---- Layout primitives -------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section--surface { background: var(--ace-surface); }
.divider { border: 0; border-top: 1px solid var(--ace-rule); margin: 0; }

.stack { display: flex; flex-direction: column; }
.stack-sm > * + * { margin-top: 0.75rem; }
.stack-md > * + * { margin-top: 1.5rem; }
.stack-lg > * + * { margin-top: 2.5rem; }

.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }

/* Section intro block: headline over supporting line, stacked (no split-header) */
.section-intro { max-width: 46ch; }
.section-intro .lead { margin-top: 1.25rem; max-width: 54ch; }
.section-head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease-out), color 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ace-white);
  color: var(--ace-black);
}
.btn-primary:hover { background: #fff; }
.btn-secondary {
  border-color: var(--ace-rule-strong);
  color: var(--ace-white);
}
.btn-secondary:hover { border-color: var(--ace-white); background: rgba(244,242,239,0.04); }
.btn-lg { padding: 1.05rem 1.9rem; font-size: 1rem; }
.btn .arw { transition: transform 0.25s var(--ease-out); }
.btn:hover .arw { transform: translateX(3px); }

/* Text link with animated underline */
.link {
  color: var(--ace-white);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 2px;
  background-image: linear-gradient(var(--ace-accent), var(--ace-accent));
  background-size: 0% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s var(--ease-out);
}
.link:hover, .link:focus-visible { background-size: 100% 1px; }
.link .arw { color: var(--ace-accent); transition: transform 0.25s var(--ease-out); }
.link:hover .arw { transform: translateX(3px); }

/* ---- Header / Nav ------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out),
    backdrop-filter 0.3s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.header.is-solid {
  background: color-mix(in srgb, var(--ace-black) 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--ace-rule);
}
.header__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-size: 1.2rem;
}
.brand__mark {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--ace-rule-strong);
  border-radius: var(--radius);
  padding: 0.15em 0.4em;
  font-size: 0.8rem;
  line-height: 1;
}
.brand__full { color: var(--ace-white); }
.nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.5vw, 2.25rem); }
.nav__links { display: flex; align-items: center; gap: clamp(1.25rem, 2.5vw, 2.25rem); }
.nav__link {
  color: var(--ace-grey);
  font-size: var(--fs-small);
  font-weight: 500;
  transition: color 0.2s var(--ease-out);
}
.nav__link:hover { color: var(--ace-white); }
.nav__link[aria-current="page"] { color: var(--ace-white); }
.nav__link[aria-current="page"]::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 3px;
  background: var(--ace-accent);
}
.nav__cta { }

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  position: relative;
  z-index: calc(var(--z-menu) + 1);
}
.nav__toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--ace-white);
  transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease-out), top 0.3s var(--ease-out);
}
.nav__toggle span:nth-child(1) { top: 17px; }
.nav__toggle span:nth-child(2) { top: 23px; }
.nav__toggle span:nth-child(3) { top: 29px; }
body.menu-open .nav__toggle span:nth-child(1) { top: 23px; transform: rotate(45deg); }
body.menu-open .nav__toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav__toggle span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* ---- Hero (home) -------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(88vh, 900px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, rgba(11,11,12,0.85) 0%, rgba(11,11,12,0.35) 42%, rgba(11,11,12,0.15) 100%),
    rgba(11,11,12,0.30);
}
.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(3rem, 8vh, 7rem);
}
.hero__content { max-width: min(100%, 64rem); }
.hero .display { margin-top: 1.4rem; max-width: 21ch; }
.hero__sub {
  margin-top: 1.6rem;
  font-size: var(--fs-body-lg);
  color: color-mix(in srgb, var(--ace-white) 88%, var(--ace-grey));
  max-width: 44ch;
  line-height: 1.5;
}
.hero__actions { margin-top: 2.25rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---- Sector roster (client strip replacement) --------------------------- */
.roster { border-block: 1px solid var(--ace-rule); }
.roster__inner {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  flex-wrap: wrap;
  padding-block: clamp(1.75rem, 3vw, 2.25rem);
}
.roster__label { flex: 0 0 auto; }
.roster__items {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
}
.roster__item {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ace-grey);
  transition: color 0.25s var(--ease-out);
}
.roster__item:hover { color: var(--ace-white); }

/* ---- Positioning statement ---------------------------------------------- */
.statement { max-width: 42rem; }
.statement p {
  font-size: var(--fs-h2);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.02em;
}
.statement--wide { max-width: 52rem; }

/* ---- Full-bleed image band ---------------------------------------------- */
.band {
  position: relative;
  height: min(85vh, 800px);
  overflow: hidden;
}
.band img { width: 100%; height: 100%; object-fit: cover; }
.band--short { height: min(60vh, 560px); }

/* ---- Service phases (home overview) ------------------------------------- */
.phases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.phase {
  padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.5rem, 2.5vw, 2.5rem);
  border-top: 1px solid var(--ace-rule);
  border-right: 1px solid var(--ace-rule);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: background-color 0.3s var(--ease-out);
}
.phase:hover { background: var(--ace-surface); }
.phase:nth-child(2n) { border-right: 0; }
.phase__num { font-family: var(--font-mono); color: var(--ace-accent); font-size: var(--fs-small); font-weight: 500; }
.phase__title { font-size: var(--fs-h3); }
.phase__body { color: var(--ace-grey); max-width: 40ch; font-size: var(--fs-small); line-height: 1.6; }
.phase__link { margin-top: auto; padding-top: 0.5rem; }

/* ---- Featured work (asymmetric) ----------------------------------------- */
.work-featured {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(1.25rem, 2.5vw, 2rem);
}
.work-featured__stack { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }

.work-card { position: relative; display: block; overflow: hidden; border-radius: var(--radius); }
.work-card__media { position: relative; overflow: hidden; background: var(--ace-surface); }
.work-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.work-card:hover .work-card__media img { transform: scale(1.03); }
.work-card--lg .work-card__media { aspect-ratio: 4 / 3.4; }
.work-card--sm .work-card__media { aspect-ratio: 16 / 10; }
.work-card__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,11,12,0.8) 0%, rgba(11,11,12,0.15) 55%, transparent 100%);
}
.work-card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(1.25rem, 2.5vw, 1.9rem);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}
.work-card__client { display: block; font-family: var(--font-mono); font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ace-grey); }
.work-card__title { display: block; font-size: var(--fs-h3); margin-top: 0.4rem; color: var(--ace-white); }
.work-card__scale { text-align: right; flex: 0 0 auto; }
.work-card__scale .num { font-family: var(--font-mono); font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 500; color: var(--ace-white); letter-spacing: -0.03em; }
.work-card__scale .unit { display: block; font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ace-grey); margin-top: 0.2rem; }

/* ---- Work index grid ---------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ace-grey);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--ace-rule);
  border-radius: 999px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}
.chip:hover { color: var(--ace-white); border-color: var(--ace-rule-strong); }
.chip[aria-pressed="true"] { color: var(--ace-black); background: var(--ace-white); border-color: var(--ace-white); }

.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.25rem, 2.5vw, 2rem); }
.work-tile { display: block; }
.work-tile__media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; border-radius: var(--radius); background: var(--ace-surface); }
.work-tile__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.work-tile:hover .work-tile__media img { transform: scale(1.03); }
.work-tile__meta { margin-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.work-tile__client { display: block; font-family: var(--font-mono); font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ace-grey); }
.work-tile__title { display: block; font-size: var(--fs-h3); margin-top: 0.45rem; }
.work-tile__loc { font-size: var(--fs-small); color: var(--ace-grey); white-space: nowrap; }
.work-tile__scale { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--ace-white); margin-top: 0.35rem; }
.is-filtered-out { display: none; }

/* ---- Testimonials ------------------------------------------------------- */
.quotes { display: grid; gap: clamp(2.5rem, 5vw, 4rem); }
.quote { max-width: 32rem; }
.quote__body {
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ace-white);
}
.quote__mark { color: var(--ace-accent); }
.quote__attr { margin-top: 1.4rem; font-size: var(--fs-small); color: var(--ace-grey); line-height: 1.5; }
.quote__attr strong { color: var(--ace-white); font-weight: 500; }
.quotes--row { grid-template-columns: repeat(3, 1fr); }

/* ---- CTA block ---------------------------------------------------------- */
.cta {
  background: var(--ace-surface);
  text-align: center;
}
.cta__inner { max-width: 34rem; margin-inline: auto; display: flex; flex-direction: column; align-items: center; }
.cta h2 { font-size: var(--fs-h1); }
.cta__actions { margin-top: 2.25rem; display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }
.cta__email { margin-top: 1.75rem; font-size: var(--fs-body); color: var(--ace-grey); }
.cta__email a { color: var(--ace-white); }

/* ---- Page head (inner pages) -------------------------------------------- */
.page-head {
  padding-top: calc(var(--header-h) + clamp(3.5rem, 8vw, 7rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.page-head__label { margin-bottom: 1.25rem; }
.page-head h1 { max-width: 16ch; }
.page-head .lead { margin-top: 1.6rem; max-width: 56ch; color: var(--ace-grey); }

/* ---- Services page ------------------------------------------------------ */
.svc-phase { padding-block: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--ace-rule); }
.svc-phase__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.svc-phase__num { font-family: var(--font-mono); color: var(--ace-accent); font-size: var(--fs-small); font-weight: 500; }
.svc-phase h2 { margin-top: 0.75rem; }
.svc-phase__intro { margin-top: 1.5rem; color: var(--ace-grey); max-width: 48ch; }
.svc-phase__intro + .svc-phase__link { margin-top: 1.5rem; }
.deliverables { columns: 2; column-gap: 2.5rem; }
.deliverables li {
  break-inside: avoid;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--ace-rule);
  font-size: var(--fs-small);
  display: flex;
  gap: 0.7rem;
}
.deliverables li::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; margin-top: 0.55em; background: var(--ace-accent); border-radius: 50%; }

/* ---- Case study --------------------------------------------------------- */
.cs-hero { position: relative; height: min(80vh, 760px); display: flex; align-items: flex-end; overflow: hidden; }
.cs-hero__media { position: absolute; inset: 0; }
.cs-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.cs-hero__scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,11,12,0.85), rgba(11,11,12,0.2) 55%, rgba(11,11,12,0.25)); }
.cs-hero__body { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(2rem, 5vh, 4rem); }
.cs-hero__client { color: var(--ace-grey); }
.cs-hero h1 { margin-top: 0.8rem; max-width: 18ch; }

.factbar { background: var(--ace-surface); border-bottom: 1px solid var(--ace-rule); }
.factbar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0;
}
.fact { padding: clamp(1.5rem, 3vw, 2.25rem) 0; padding-right: 1.5rem; }
.fact__key { display: block; margin-bottom: 0.5rem; }
.fact__val { font-size: var(--fs-body-lg); font-weight: 500; letter-spacing: -0.01em; }

.cs-section { padding-block: clamp(3rem, 6vw, 5rem); }
.cs-section__grid { display: grid; grid-template-columns: 0.6fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); }
.cs-section h2 { font-size: var(--fs-h2); }
.cs-two-up { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(0.75rem, 1.5vw, 1.25rem); }
.cs-two-up img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(0.75rem, 1.5vw, 1.25rem); }
.gallery__item { position: relative; aspect-ratio: 3/2; overflow: hidden; border-radius: var(--radius); background: var(--ace-surface); cursor: zoom-in; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item figcaption { position: absolute; inset: auto 0 0 0; padding: 0.9rem 1rem; font-size: var(--fs-small); color: var(--ace-white); background: linear-gradient(to top, rgba(11,11,12,0.8), transparent); }

.cs-nav { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ace-rule); }
.cs-nav__item { padding-block: clamp(2rem, 4vw, 3rem); }
.cs-nav__item--next { text-align: right; border-left: 1px solid var(--ace-rule); padding-left: clamp(1.5rem, 3vw, 3rem); }
.cs-nav__item--prev { padding-right: clamp(1.5rem, 3vw, 3rem); }
.cs-nav__dir { color: var(--ace-grey); font-size: var(--fs-small); }
.cs-nav__title { font-size: var(--fs-h3); margin-top: 0.5rem; display: block; }
.cs-nav__item:hover .cs-nav__title { color: var(--ace-accent); }

/* ---- Lightbox ----------------------------------------------------------- */
.lightbox {
  position: fixed; inset: 0; z-index: var(--z-lightbox);
  background: color-mix(in srgb, var(--ace-black) 96%, transparent);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: clamp(1rem, 5vw, 4rem);
  opacity: 0; visibility: hidden; transition: opacity 0.3s var(--ease-out), visibility 0.3s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: var(--radius); }
.lightbox__close { position: absolute; top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); width: 48px; height: 48px; display: grid; place-items: center; color: var(--ace-white); border: 1px solid var(--ace-rule-strong); border-radius: 50%; font-size: 1.2rem; }
.lightbox__close:hover { border-color: var(--ace-white); }

/* ---- About -------------------------------------------------------------- */
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: end; }
.about-hero__portrait { position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius); background: var(--ace-surface); }
.about-hero__portrait img { width: 100%; height: 100%; object-fit: cover; }
.about-hero__intro h1 { max-width: 14ch; }
.about-bio { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); }
.approach { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.approach__block h3 { margin-bottom: 0.75rem; }
.approach__block p { color: var(--ace-grey); font-size: var(--fs-small); }

.credits { border-top: 1px solid var(--ace-rule); }
.credits dl { display: grid; }
.credit-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--ace-rule);
}
.credit-row dt { font-weight: 500; }
.credit-row .role { color: var(--ace-grey); font-size: var(--fs-small); }
.credit-row .year { font-family: var(--font-mono); color: var(--ace-grey); font-size: var(--fs-small); text-align: right; }

/* ---- Contact / Form ----------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field label { font-family: var(--font-mono); font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ace-grey); }
.field .req { color: var(--ace-accent); }
.field input, .field select, .field textarea {
  background: var(--ace-surface);
  border: 1px solid var(--ace-rule);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--ace-white);
  font-size: var(--fs-body);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input::placeholder, .field textarea::placeholder { color: var(--ace-grey-dim); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239A9A9E' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ace-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ace-accent) 45%, transparent); }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: var(--ace-accent); }
.field__error { font-size: var(--fs-small); color: var(--ace-accent); display: none; }
.field.is-invalid .field__error { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__submit { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.form__note { font-size: var(--fs-small); color: var(--ace-grey); }

.form-status { border-radius: var(--radius); padding: 1.1rem 1.25rem; font-size: var(--fs-small); display: none; }
.form-status.is-shown { display: block; }
.form-status--ok { background: color-mix(in srgb, var(--ace-accent) 12%, var(--ace-surface)); border: 1px solid var(--ace-rule-strong); }
.form-status--err { background: var(--ace-surface); border: 1px solid var(--ace-accent); }
.form-success { display: none; }
.form-success.is-shown { display: block; }

/* Contact right column */
.contact-aside { display: grid; gap: 2rem; }
.contact-block { padding-bottom: 2rem; border-bottom: 1px solid var(--ace-rule); }
.contact-block:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-block h3 { font-size: var(--fs-h3); margin-bottom: 0.75rem; }
.contact-block p, .contact-block a { color: var(--ace-grey); }
.contact-block a.big { font-size: var(--fs-body-lg); color: var(--ace-white); }
.cal-embed { margin-top: 1rem; }
.cal-facade {
  width: 100%;
  aspect-ratio: 3/2;
  border: 1px dashed var(--ace-rule-strong);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  text-align: center;
  gap: 0.5rem;
  color: var(--ace-grey);
  padding: 1.5rem;
}

/* ---- Legal pages -------------------------------------------------------- */
.legal { max-width: 75ch; }
.legal .updated { color: var(--ace-grey); font-size: var(--fs-small); margin-bottom: 2rem; }
.legal h2 { font-size: var(--fs-h3); margin-top: 2.75rem; margin-bottom: 0.85rem; }
.legal h3 { font-size: var(--fs-body-lg); font-weight: 500; margin-top: 1.75rem; margin-bottom: 0.5rem; }
.legal p, .legal li { color: color-mix(in srgb, var(--ace-white) 88%, var(--ace-grey)); }
.legal p + p { margin-top: 1rem; }
.legal ul { margin: 0.85rem 0; padding-left: 1.3rem; list-style: disc; }
.legal li { margin-top: 0.45rem; }
.legal a { color: var(--ace-white); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--ace-rule-strong); }
.legal a:hover { text-decoration-color: var(--ace-accent); }

/* ---- 404 ---------------------------------------------------------------- */
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-top: var(--header-h); }
.notfound__inner { max-width: 42rem; }
.notfound .code { font-family: var(--font-mono); color: var(--ace-accent); font-size: var(--fs-small); letter-spacing: 0.1em; }
.notfound h1 { margin: 1rem 0 1.25rem; }
.notfound .actions { margin-top: 2rem; display: flex; gap: 0.9rem; justify-content: center; flex-wrap: wrap; }

/* ---- Footer ------------------------------------------------------------- */
.footer { border-top: 1px solid var(--ace-rule); padding-block: clamp(3rem, 6vw, 5rem) 2.5rem; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(2rem, 4vw, 3rem); }
.footer__brand .brand { font-size: 1.4rem; }
.footer__descr { margin-top: 1rem; color: var(--ace-grey); max-width: 34ch; font-size: var(--fs-small); }
.footer__col h4 { font-family: var(--font-mono); font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ace-grey-dim); font-weight: 500; margin-bottom: 1.1rem; }
.footer__col ul { display: grid; gap: 0.6rem; }
.footer__col a { color: var(--ace-grey); font-size: var(--fs-small); transition: color 0.2s var(--ease-out); }
.footer__col a:hover { color: var(--ace-white); }
.footer__ack {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 2rem;
  border-top: 1px solid var(--ace-rule);
  color: var(--ace-grey);
  font-size: var(--fs-small);
  max-width: 70ch;
  line-height: 1.6;
}
.footer__bottom {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--ace-grey-dim);
  font-size: var(--fs-small);
}
.footer__bottom a { color: var(--ace-grey); }

/* ---- Reveal animation (enhances already-visible content) ---------------- */
@media (prefers-reduced-motion: no-preference) {
  html.motion .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
  html.motion .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 1180px) {
  .header .brand__full { display: none; }
}
@media (max-width: 1024px) {
  .work-featured { grid-template-columns: 1fr; }
  .quotes--row { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }

  /* Mobile menu panel */
  .nav__links {
    position: fixed;
    inset: 0;
    z-index: var(--z-menu);
    background: color-mix(in srgb, var(--ace-black) 97%, transparent);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--gutter);
    transform: translateY(-100%);
    transition: transform 0.4s var(--ease);
  }
  body.menu-open .nav__links { display: flex; transform: translateY(0); }
  body.menu-open .nav__cta { display: inline-flex; position: fixed; z-index: var(--z-menu); bottom: 8vh; left: var(--gutter); right: var(--gutter); justify-content: center; }
  .nav__link { font-size: clamp(1.75rem, 8vw, 2.5rem); color: var(--ace-white); font-weight: 500; letter-spacing: -0.02em; }
  .nav__link[aria-current="page"]::after { display: none; }
  body.menu-open { overflow: hidden; }

  .svc-phase__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .cs-section__grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .about-hero { grid-template-columns: 1fr; }
  .about-bio { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .phases { grid-template-columns: 1fr; }
  .phase { border-right: 0; }
  .work-grid { grid-template-columns: 1fr; }
  .cs-two-up { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .deliverables { columns: 1; }
  .cs-nav { grid-template-columns: 1fr; }
  .cs-nav__item--next { text-align: left; border-left: 0; border-top: 1px solid var(--ace-rule); padding-left: 0; }
  .footer__top { grid-template-columns: 1fr; }
  .credit-row { grid-template-columns: 1fr auto; }
  .credit-row .role { grid-column: 1 / -1; margin-top: 0.15rem; }
}
@media (max-width: 400px) {
  .gallery { grid-template-columns: 1fr; }
}

/* ---- Print (capability statement friendliness) -------------------------- */
@media print {
  .header, .footer__col, .cal-facade, .nav__toggle { display: none; }
  body { background: #fff; color: #000; }
}